55133657404 has 24 divisors (see below), whose sum is σ = 110307843968. Its totient is φ = 23620025520.

The previous prime is 55133657393. The next prime is 55133657431. The reversal of 55133657404 is 40475633155.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 284034 + ... + 436969.

Almost surely, 2^55133657404 is an apocalyptic number.

It is an amenable number.

55133657404 is an abundant number, since it is smaller than the sum of its proper divisors (55174186564).

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

55133657404 is a wasteful number, since it uses less digits than its factorization.

55133657404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723745 (or 723743 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 43.

The spelling of 55133657404 in words is "fifty-five billion, one hundred thirty-three million, six hundred fifty-seven thousand, four hundred four".