55337980 has 48 divisors (see below), whose sum is σ = 120054816. Its totient is φ = 21415680.

The previous prime is 55337969. The next prime is 55337983. The reversal of 55337980 is 8973355.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55337983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81402 + ... + 82078.

It is an arithmetic number, because the mean of its divisors is an integer number (2501142).

Almost surely, 2^55337980 is an apocalyptic number.

It is an amenable number.

55337980 is an abundant number, since it is smaller than the sum of its proper divisors (64716836).

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

55337980 is a wasteful number, since it uses less digits than its factorization.

55337980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 812 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 55337980 is about 7438.9501947519. The cubic root of 55337980 is about 381.0726388141.

The spelling of 55337980 in words is "fifty-five million, three hundred thirty-seven thousand, nine hundred eighty".