55398360 has 32 divisors (see below), whose sum is σ = 166195440. Its totient is φ = 14772864.

The previous prime is 55398353. The next prime is 55398379. The reversal of 55398360 is 6389355.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230707 + ... + 230946.

Almost surely, 2^55398360 is an apocalyptic number.

It is an amenable number.

55398360 is an abundant number, since it is smaller than the sum of its proper divisors (110797080).

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

55398360 is a wasteful number, since it uses less digits than its factorization.

55398360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461667 (or 461663 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 55398360 is about 7443.0074566670. The cubic root of 55398360 is about 381.2111862305.

The spelling of 55398360 in words is "fifty-five million, three hundred ninety-eight thousand, three hundred sixty".