57628043057 has 8 divisors (see below), whose sum is σ = 62064807336. Its totient is φ = 53191827072.

The previous prime is 57628043017. The next prime is 57628043059. The reversal of 57628043057 is 75034082675.

It can be written as a sum of positive squares in 4 ways, for example, as 3040860736 + 54587182321 = 55144^2 + 233639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57628043057 - 2³⁰ = 56554301233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57628043059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95903 + ... + 352779.

It is an arithmetic number, because the mean of its divisors is an integer number (7758100917).

Almost surely, 2^57628043057 is an apocalyptic number.

It is an amenable number.

57628043057 is a deficient number, since it is larger than the sum of its proper divisors (4436764279).

57628043057 is a wasteful number, since it uses less digits than its factorization.

57628043057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274147.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 57628043057 in words is "fifty-seven billion, six hundred twenty-eight million, forty-three thousand, fifty-seven".