55670404 has 12 divisors (see below), whose sum is σ = 97542144. Its totient is φ = 27801224.

The previous prime is 55670371. The next prime is 55670441. The reversal of 55670404 is 40407655.

It is a happy number.

55670404 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

55670404 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4612 + ... + 11515.

It is an arithmetic number, because the mean of its divisors is an integer number (8128512).

Almost surely, 2^55670404 is an apocalyptic number.

It is an amenable number.

55670404 is a deficient number, since it is larger than the sum of its proper divisors (41871740).

55670404 is a wasteful number, since it uses less digits than its factorization.

55670404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994 (or 16992 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 55670404 is about 7461.2602152719. The cubic root of 55670404 is about 381.8341705048.

The spelling of 55670404 in words is "fifty-five million, six hundred seventy thousand, four hundred four".