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57796897 = 112951193
BaseRepresentation
bin1101110001111…
…0100100100001
311000202101102211
43130132210201
5104244000042
65422442121
71301160034
oct334364441
9130671384
1057796897
112a696734
1217433341
13bc88262
14796701b
15511a017
hex371e921

57796897 has 4 divisors (see below), whose sum is σ = 57849220. Its totient is φ = 57744576.

The previous prime is 57796891. The next prime is 57796919. The reversal of 57796897 is 79869775.

57796897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2903616 + 54893281 = 1704^2 + 7409^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57796897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57796891) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24468 + ... + 26725.

It is an arithmetic number, because the mean of its divisors is an integer number (14462305).

Almost surely, 257796897 is an apocalyptic number.

It is an amenable number.

57796897 is a deficient number, since it is larger than the sum of its proper divisors (52323).

57796897 is a wasteful number, since it uses less digits than its factorization.

57796897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52322.

The product of its digits is 6667920, while the sum is 58.

The square root of 57796897 is about 7602.4270466740. The cubic root of 57796897 is about 386.6353042174.

The spelling of 57796897 in words is "fifty-seven million, seven hundred ninety-six thousand, eight hundred ninety-seven".

Divisors: 1 1129 51193 57796897