57657044951 has 4 divisors (see below), whose sum is σ = 62898594504. Its totient is φ = 52415495400.

The previous prime is 57657044911. The next prime is 57657044953. The reversal of 57657044951 is 15944075675.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57657044951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57657044893 and 57657044902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57657044953) 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, 2620774760 + ... + 2620774781.

It is an arithmetic number, because the mean of its divisors is an integer number (15724648626).

Almost surely, 2^57657044951 is an apocalyptic number.

57657044951 is a deficient number, since it is larger than the sum of its proper divisors (5241549553).

57657044951 is a wasteful number, since it uses less digits than its factorization.

57657044951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241549552.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 57657044951 in words is "fifty-seven billion, six hundred fifty-seven million, forty-four thousand, nine hundred fifty-one".