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54804540 = 2235732663
BaseRepresentation
bin1101000100010…
…0000000111100
310211010100200210
43101010000330
5103012221130
65234352420
71233555000
oct321040074
9124110623
1054804540
1128a3250a
121642b710
13b47b22b
1473c8700
154c285b0
hex344403c

54804540 has 96 divisors (see below), whose sum is σ = 179020800. Its totient is φ = 12522048.

The previous prime is 54804527. The next prime is 54804551. The reversal of 54804540 is 4540845.

It is a super-2 number, since 2×548045402 = 6007075209223200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 54804498 and 54804507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19249 + ... + 21911.

It is an arithmetic number, because the mean of its divisors is an integer number (1864800).

Almost surely, 254804540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54804540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89510400).

54804540 is an abundant number, since it is smaller than the sum of its proper divisors (124216260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54804540 is a wasteful number, since it uses less digits than its factorization.

54804540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 54804540 is about 7403.0088477591. The cubic root of 54804540 is about 379.8442113016.

The spelling of 54804540 in words is "fifty-four million, eight hundred four thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 49 60 70 84 98 105 140 147 196 210 245 294 343 420 490 588 686 735 980 1029 1372 1470 1715 2058 2663 2940 3430 4116 5145 5326 6860 7989 10290 10652 13315 15978 18641 20580 26630 31956 37282 39945 53260 55923 74564 79890 93205 111846 130487 159780 186410 223692 260974 279615 372820 391461 521948 559230 652435 782922 913409 1118460 1304870 1565844 1826818 1957305 2609740 2740227 3653636 3914610 4567045 5480454 7829220 9134090 10960908 13701135 18268180 27402270 54804540