55116976377 has 32 divisors (see below), whose sum is σ = 79771958784. Its totient is φ = 33713510400.

The previous prime is 55116976373. The next prime is 55116976379. The reversal of 55116976377 is 77367961155.

It is not a de Polignac number, because 55116976377 - 2² = 55116976373 is a prime.

It is a super-2 number, since 2×55116976377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55116976373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2878128 + ... + 2897214.

It is an arithmetic number, because the mean of its divisors is an integer number (2492873712).

Almost surely, 2^55116976377 is an apocalyptic number.

It is an amenable number.

55116976377 is a deficient number, since it is larger than the sum of its proper divisors (24654982407).

55116976377 is a wasteful number, since it uses less digits than its factorization.

55116976377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20529.

The product of its digits is 8334900, while the sum is 57.

The spelling of 55116976377 in words is "fifty-five billion, one hundred sixteen million, nine hundred seventy-six thousand, three hundred seventy-seven".