55877077855 has 8 divisors (see below), whose sum is σ = 67053762000. Its totient is φ = 44700816576.

The previous prime is 55877077843. The next prime is 55877077871.

55877077855 is nontrivially palindromic in base 10.

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 55877077855 - 2⁷ = 55877077727 is a prime.

It is a super-2 number, since 2×55877077855² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474696 + ... + 580594.

It is an arithmetic number, because the mean of its divisors is an integer number (8381720250).

Almost surely, 2^55877077855 is an apocalyptic number.

55877077855 is a deficient number, since it is larger than the sum of its proper divisors (11176684145).

55877077855 is a wasteful number, since it uses less digits than its factorization.

55877077855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211433.

The product of its (nonzero) digits is 96040000, while the sum is 64.

The spelling of 55877077855 in words is "fifty-five billion, eight hundred seventy-seven million, seventy-seven thousand, eight hundred fifty-five".