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56791955 = 511293871
BaseRepresentation
bin1101100010100…
…1001110010011
310221212022220202
43120221032103
5104014320310
65345125415
71256503133
oct330511623
9127768822
1056791955
112a06a700
121702986b
13b9c5a0c
147784ac3
154ebc3a5
hex3629393

56791955 has 12 divisors (see below), whose sum is σ = 74909856. Its totient is φ = 41302800.

The previous prime is 56791939. The next prime is 56791963. The reversal of 56791955 is 55919765.

56791955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56791955 - 24 = 56791939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46331 + ... + 47540.

It is an arithmetic number, because the mean of its divisors is an integer number (6242488).

Almost surely, 256791955 is an apocalyptic number.

56791955 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56791955 is a deficient number, since it is larger than the sum of its proper divisors (18117901).

56791955 is a wasteful number, since it uses less digits than its factorization.

56791955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93898 (or 93887 counting only the distinct ones).

The product of its digits is 425250, while the sum is 47.

The square root of 56791955 is about 7536.0437233339. The cubic root of 56791955 is about 384.3813192607.

The spelling of 56791955 in words is "fifty-six million, seven hundred ninety-one thousand, nine hundred fifty-five".

Divisors: 1 5 11 55 121 605 93871 469355 1032581 5162905 11358391 56791955