55271814 has 32 divisors (see below), whose sum is σ = 119341824. Its totient is φ = 16964640.

The previous prime is 55271809. The next prime is 55271831. The reversal of 55271814 is 41817255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48657 + ... + 49779.

It is an arithmetic number, because the mean of its divisors is an integer number (3729432).

Almost surely, 2^55271814 is an apocalyptic number.

55271814 is an abundant number, since it is smaller than the sum of its proper divisors (64070010).

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

55271814 is a wasteful number, since it uses less digits than its factorization.

55271814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

The product of its digits is 11200, while the sum is 33.

The square root of 55271814 is about 7434.5015972828. The cubic root of 55271814 is about 380.9206991148.

The spelling of 55271814 in words is "fifty-five million, two hundred seventy-one thousand, eight hundred fourteen".