55891914 has 16 divisors (see below), whose sum is σ = 120382752. Its totient is φ = 17197488.

The previous prime is 55891907. The next prime is 55891931. The reversal of 55891914 is 41919855.

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, 358204 + ... + 358359.

It is an arithmetic number, because the mean of its divisors is an integer number (7523922).

Almost surely, 2^55891914 is an apocalyptic number.

55891914 is an abundant number, since it is smaller than the sum of its proper divisors (64490838).

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

55891914 is a wasteful number, since it uses less digits than its factorization.

55891914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716581.

The product of its digits is 64800, while the sum is 42.

The square root of 55891914 is about 7476.0894858208. The cubic root of 55891914 is about 382.3399338803.

It can be divided in two parts, 5589 and 1914, that added together give a triangular number (7503 = T₁₂₂).

The spelling of 55891914 in words is "fifty-five million, eight hundred ninety-one thousand, nine hundred fourteen".