55486938 has 16 divisors (see below), whose sum is σ = 119510496. Its totient is φ = 17072880.

The previous prime is 55486909. The next prime is 55486969. The reversal of 55486938 is 83968455.

It is a happy number.

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, 355608 + ... + 355763.

It is an arithmetic number, because the mean of its divisors is an integer number (7469406).

Almost surely, 2^55486938 is an apocalyptic number.

55486938 is an abundant number, since it is smaller than the sum of its proper divisors (64023558).

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

55486938 is a wasteful number, since it uses less digits than its factorization.

55486938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711389.

The product of its digits is 1036800, while the sum is 48.

The square root of 55486938 is about 7448.9554972493. The cubic root of 55486938 is about 381.4142544769.

The spelling of 55486938 in words is "fifty-five million, four hundred eighty-six thousand, nine hundred thirty-eight".