55337490 has 48 divisors (see below), whose sum is σ = 154948248. Its totient is φ = 13621248.

The previous prime is 55337489. The next prime is 55337501. The reversal of 55337490 is 9473355.

It can be written as a sum of positive squares in 4 ways, for example, as 28804689 + 26532801 = 5367^2 + 5151^2 .

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, 22479 + ... + 24818.

Almost surely, 2^55337490 is an apocalyptic number.

55337490 is an abundant number, since it is smaller than the sum of its proper divisors (99610758).

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

55337490 is a wasteful number, since it uses less digits than its factorization.

55337490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47323 (or 47320 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 55337490 is about 7438.9172599243. The cubic root of 55337490 is about 381.0715140523.

The spelling of 55337490 in words is "fifty-five million, three hundred thirty-seven thousand, four hundred ninety".