55049372 has 12 divisors (see below), whose sum is σ = 110098800. Its totient is φ = 23592576.

The previous prime is 55049363. The next prime is 55049387. The reversal of 55049372 is 27394055.

55049372 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982997 + ... + 983052.

It is an arithmetic number, because the mean of its divisors is an integer number (9174900).

Almost surely, 2^55049372 is an apocalyptic number.

It is an amenable number.

55049372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55049372 is a wasteful number, since it uses less digits than its factorization.

55049372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966060 (or 1966058 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 55049372 is about 7419.5263999800. The cubic root of 55049372 is about 380.4090056002.

The spelling of 55049372 in words is "fifty-five million, forty-nine thousand, three hundred seventy-two".