55181342376 has 48 divisors (see below), whose sum is σ = 152925046560. Its totient is φ = 17966017440.

The previous prime is 55181342357. The next prime is 55181342413. The reversal of 55181342376 is 67324318155.

It is a happy number.

55181342376 is a `hidden beast` number, since 551 + 8 + 1 + 3 + 4 + 23 + 76 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8908620 + ... + 8914811.

It is an arithmetic number, because the mean of its divisors is an integer number (3185938470).

Almost surely, 2^55181342376 is an apocalyptic number.

It is an amenable number.

55181342376 is an abundant number, since it is smaller than the sum of its proper divisors (97743704184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55181342376 is a wasteful number, since it uses less digits than its factorization.

55181342376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17823486 (or 17823479 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The spelling of 55181342376 in words is "fifty-five billion, one hundred eighty-one million, three hundred forty-two thousand, three hundred seventy-six".