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54951040 = 275194519
BaseRepresentation
bin1101000110011…
…1110010000000
310211101210122201
43101213302000
5103031413130
65241442544
71235035054
oct321476200
9124353581
1054951040
1129022591
12164a0454
13b4ccb11
147425c64
154c56bca
hex3467c80

54951040 has 64 divisors (see below), whose sum is σ = 138312000. Its totient is φ = 20818944.

The previous prime is 54951023. The next prime is 54951041. The reversal of 54951040 is 4015945.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (54951041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9901 + ... + 14419.

It is an arithmetic number, because the mean of its divisors is an integer number (2161125).

Almost surely, 254951040 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 54951040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69156000).

54951040 is an abundant number, since it is smaller than the sum of its proper divisors (83360960).

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

54951040 is a wasteful number, since it uses less digits than its factorization.

54951040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557 (or 4545 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 54951040 is about 7412.8968696455. The cubic root of 54951040 is about 380.1823686045.

Adding to 54951040 its reverse (4015945), we get a palindrome (58966985).

The spelling of 54951040 in words is "fifty-four million, nine hundred fifty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 64 76 80 95 128 152 160 190 304 320 380 608 640 760 1216 1520 2432 3040 4519 6080 9038 12160 18076 22595 36152 45190 72304 85861 90380 144608 171722 180760 289216 343444 361520 429305 578432 686888 723040 858610 1373776 1446080 1717220 2747552 2892160 3434440 5495104 6868880 10990208 13737760 27475520 54951040