55090306904 has 16 divisors (see below), whose sum is σ = 105696519720. Its totient is φ = 26904568320.

The previous prime is 55090306897. The next prime is 55090306907. The reversal of 55090306904 is 40960309055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55090306907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80072777 + ... + 80073464.

Almost surely, 2^55090306904 is an apocalyptic number.

It is an amenable number.

55090306904 is a deficient number, since it is larger than the sum of its proper divisors (50606212816).

55090306904 is a wasteful number, since it uses less digits than its factorization.

55090306904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160146290 (or 160146286 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 41.

The spelling of 55090306904 in words is "fifty-five billion, ninety million, three hundred six thousand, nine hundred four".