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55907952 = 2431164749
BaseRepresentation
bin1101010101000…
…1011001110000
310220012102021220
43111101121300
5103303023302
65314145040
71246131642
oct325213160
9126172256
1055907952
1129616521
1216882180
13b776539
1475d4892
154d954bc
hex3551670

55907952 has 20 divisors (see below), whose sum is σ = 144429000. Its totient is φ = 18635968.

The previous prime is 55907941. The next prime is 55907959. The reversal of 55907952 is 25970955.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55907959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582327 + ... + 582422.

It is an arithmetic number, because the mean of its divisors is an integer number (7221450).

Almost surely, 255907952 is an apocalyptic number.

It is an amenable number.

55907952 is an abundant number, since it is smaller than the sum of its proper divisors (88521048).

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

55907952 is a wasteful number, since it uses less digits than its factorization.

55907952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164760 (or 1164754 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 42.

The square root of 55907952 is about 7477.1620284704. The cubic root of 55907952 is about 382.3765007764.

The spelling of 55907952 in words is "fifty-five million, nine hundred seven thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 1164749 2329498 3494247 4658996 6988494 9317992 13976988 18635984 27953976 55907952