55437620660404 has 48 divisors (see below), whose sum is σ = 101473907834880. Its totient is φ = 26469206880480.

The previous prime is 55437620660377. The next prime is 55437620660413. The reversal of 55437620660404 is 40406602673455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14632509 + ... + 18027355.

It is an arithmetic number, because the mean of its divisors is an integer number (2114039746560).

Almost surely, 2^{55437620660404} is an apocalyptic number.

It is an amenable number.

55437620660404 is a deficient number, since it is larger than the sum of its proper divisors (46036287174476).

55437620660404 is a wasteful number, since it uses less digits than its factorization.

55437620660404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396628 (or 3396626 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 55437620660404 in words is "fifty-five trillion, four hundred thirty-seven billion, six hundred twenty million, six hundred sixty thousand, four hundred four".