55947474955 has 48 divisors (see below), whose sum is σ = 73219080384. Its totient is φ = 41011326720.

The previous prime is 55947474949. The next prime is 55947474971.

55947474955 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-55947474955 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6788097 + ... + 6796333.

It is an arithmetic number, because the mean of its divisors is an integer number (1525397508).

Almost surely, 2^55947474955 is an apocalyptic number.

55947474955 is a deficient number, since it is larger than the sum of its proper divisors (17271605429).

55947474955 is a wasteful number, since it uses less digits than its factorization.

55947474955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404 (or 8385 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 64.

The spelling of 55947474955 in words is "fifty-five billion, nine hundred forty-seven million, four hundred seventy-four thousand, nine hundred fifty-five".