55904386 has 16 divisors (see below), whose sum is σ = 86147424. Its totient is φ = 27193824.

The previous prime is 55904369. The next prime is 55904399. The reversal of 55904386 is 68340955.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23190 + ... + 25486.

It is an arithmetic number, because the mean of its divisors is an integer number (5384214).

Almost surely, 2^55904386 is an apocalyptic number.

55904386 is a deficient number, since it is larger than the sum of its proper divisors (30243038).

55904386 is a wasteful number, since it uses less digits than its factorization.

55904386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 55904386 is about 7476.9235652105. The cubic root of 55904386 is about 382.3683708441.

The spelling of 55904386 in words is "fifty-five million, nine hundred four thousand, three hundred eighty-six".