57552777655 has 4 divisors (see below), whose sum is σ = 69063333192. Its totient is φ = 46042222120.

The previous prime is 57552777599. The next prime is 57552777661. The reversal of 57552777655 is 55677725575.

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

It is a de Polignac number, because none of the positive numbers 2^k-57552777655 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57552777593 and 57552777602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5755277761 + ... + 5755277770.

It is an arithmetic number, because the mean of its divisors is an integer number (17265833298).

Almost surely, 2^57552777655 is an apocalyptic number.

57552777655 is a deficient number, since it is larger than the sum of its proper divisors (11510555537).

57552777655 is a wasteful number, since it uses less digits than its factorization.

57552777655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11510555536.

The product of its digits is 90037500, while the sum is 61.

The spelling of 57552777655 in words is "fifty-seven billion, five hundred fifty-two million, seven hundred seventy-seven thousand, six hundred fifty-five".