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54425280 = 2635721389
BaseRepresentation
bin1100111110011…
…1011011000000
310210102002110010
43033213123000
5102413102110
65222304520
71230415200
oct317473300
9123362403
1054425280
11287a3578
1216288140
13b377710
14732a400
154ba1020
hex33e76c0

54425280 has 336 divisors, whose sum is σ = 218907360. Its totient is φ = 11354112.

The previous prime is 54425251. The next prime is 54425309. The reversal of 54425280 is 8252445.

It is an interprime number because it is at equal distance from previous prime (54425251) and next prime (54425309).

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×544252802 = 5924222206156800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611476 + ... + 611564.

It is an arithmetic number, because the mean of its divisors is an integer number (651510).

Almost surely, 254425280 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 54425280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109453680).

54425280 is an abundant number, since it is smaller than the sum of its proper divisors (164482080).

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

54425280 is a wasteful number, since it uses less digits than its factorization.

54425280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 119 counting only the distinct ones).

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

The square root of 54425280 is about 7377.3491173998. The cubic root of 54425280 is about 378.9659792679.

The spelling of 54425280 in words is "fifty-four million, four hundred twenty-five thousand, two hundred eighty".