55977677955 has 48 divisors (see below), whose sum is σ = 103983048000. Its totient is φ = 27784905984.

The previous prime is 55977677923. The next prime is 55977677969.

55977677955 is a `hidden beast` number, since 559 + 7 + 7 + 67 + 7 + 9 + 5 + 5 = 666.

55977677955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55977677955 - 2⁵ = 55977677923 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 692580 + ... + 769169.

It is an arithmetic number, because the mean of its divisors is an integer number (2166313500).

Almost surely, 2^55977677955 is an apocalyptic number.

55977677955 is a deficient number, since it is larger than the sum of its proper divisors (48005370045).

55977677955 is a wasteful number, since it uses less digits than its factorization.

55977677955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461820 (or 1461817 counting only the distinct ones).

The product of its digits is 729303750, while the sum is 72.

The spelling of 55977677955 in words is "fifty-five billion, nine hundred seventy-seven million, six hundred seventy-seven thousand, nine hundred fifty-five".