55190944 has 24 divisors (see below), whose sum is σ = 112405860. Its totient is φ = 26643456.

The previous prime is 55190903. The next prime is 55190957. The reversal of 55190944 is 44909155.

It can be written as a sum of positive squares in 2 ways, for example, as 54582544 + 608400 = 7388^2 + 780^2 .

It is a super-2 number, since 2×55190944² = 6092080599222272, which contains 22 as substring.

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, 28809 + ... + 30664.

Almost surely, 2^55190944 is an apocalyptic number.

It is an amenable number.

55190944 is an abundant number, since it is smaller than the sum of its proper divisors (57214916).

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

55190944 is a wasteful number, since it uses less digits than its factorization.

55190944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59512 (or 59504 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 55190944 is about 7429.0607750913. The cubic root of 55190944 is about 380.7348292540.

The spelling of 55190944 in words is "fifty-five million, one hundred ninety thousand, nine hundred forty-four".