55274814 has 48 divisors (see below), whose sum is σ = 137640672. Its totient is φ = 15704064.

The previous prime is 55274801. The next prime is 55274831. The reversal of 55274814 is 41847255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23182 + ... + 25454.

It is an arithmetic number, because the mean of its divisors is an integer number (2867514).

Almost surely, 2^55274814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55274814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68820336).

55274814 is an abundant number, since it is smaller than the sum of its proper divisors (82365858).

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

55274814 is a wasteful number, since it uses less digits than its factorization.

55274814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2478 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 55274814 is about 7434.7033565570. The cubic root of 55274814 is about 380.9275907613.

The spelling of 55274814 in words is "fifty-five million, two hundred seventy-four thousand, eight hundred fourteen".