57455688655477 has 32 divisors (see below), whose sum is σ = 68023737098240. Its totient is φ = 47489099567040.

The previous prime is 57455688655457. The next prime is 57455688655481. The reversal of 57455688655477 is 77455688655475.

It is a cyclic number.

It is not a de Polignac number, because 57455688655477 - 2¹⁹ = 57455688131189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57455688655477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57455688655427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216979003 + ... + 217243639.

It is an arithmetic number, because the mean of its divisors is an integer number (2125741784320).

Almost surely, 2^{57455688655477} is an apocalyptic number.

It is an amenable number.

57455688655477 is a deficient number, since it is larger than the sum of its proper divisors (10568048442763).

57455688655477 is a wasteful number, since it uses less digits than its factorization.

57455688655477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268241.

The product of its digits is 39513600000, while the sum is 82.

The spelling of 57455688655477 in words is "fifty-seven trillion, four hundred fifty-five billion, six hundred eighty-eight million, six hundred fifty-five thousand, four hundred seventy-seven".