53256008232657 has 6 divisors (see below), whose sum is σ = 76925345224962. Its totient is φ = 35504005488432.

The previous prime is 53256008232649. The next prime is 53256008232673. The reversal of 53256008232657 is 75623280065235.

53256008232657 is a `hidden beast` number, since 5 + 3 + 2 + 5 + 600 + 8 + 2 + 3 + 26 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 40857715136016 + 12398293096641 = 6392004^2 + 3521121^2 .

It is not a de Polignac number, because 53256008232657 - 2³ = 53256008232649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53256008232677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2958667124028 + ... + 2958667124045.

It is an arithmetic number, because the mean of its divisors is an integer number (12820890870827).

Almost surely, 2^{53256008232657} is an apocalyptic number.

It is an amenable number.

53256008232657 is a deficient number, since it is larger than the sum of its proper divisors (23669336992305).

53256008232657 is a wasteful number, since it uses less digits than its factorization.

53256008232657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5917334248079 (or 5917334248076 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 53256008232657 in words is "fifty-three trillion, two hundred fifty-six billion, eight million, two hundred thirty-two thousand, six hundred fifty-seven".