55898980 has 24 divisors (see below), whose sum is σ = 119887488. Its totient is φ = 21883488.

The previous prime is 55898963. The next prime is 55898987. The reversal of 55898980 is 8989855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55898987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28794 + ... + 30673.

It is an arithmetic number, because the mean of its divisors is an integer number (4995312).

Almost surely, 2^55898980 is an apocalyptic number.

It is an amenable number.

55898980 is an abundant number, since it is smaller than the sum of its proper divisors (63988508).

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

55898980 is a wasteful number, since it uses less digits than its factorization.

55898980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59523 (or 59521 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 52.

The square root of 55898980 is about 7476.5620441484. The cubic root of 55898980 is about 382.3560453350.

It can be divided in two parts, 5 and 5898980, that added together give a palindrome (5898985).

The spelling of 55898980 in words is "fifty-five million, eight hundred ninety-eight thousand, nine hundred eighty".