55980648 has 48 divisors (see below), whose sum is σ = 152064900. Its totient is φ = 18604800.

The previous prime is 55980629. The next prime is 55980649. The reversal of 55980648 is 84608955.

It can be written as a sum of positive squares in 2 ways, for example, as 55980324 + 324 = 7482^2 + 18^2 .

It is not an unprimeable number, because it can be changed into a prime (55980649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28498 + ... + 30398.

Almost surely, 2^55980648 is an apocalyptic number.

It is an amenable number.

55980648 is an abundant number, since it is smaller than the sum of its proper divisors (96084252).

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

55980648 is a wasteful number, since it uses less digits than its factorization.

55980648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322 (or 2315 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55980648 is about 7482.0216519334. The cubic root of 55980648 is about 382.5421611863.

The spelling of 55980648 in words is "fifty-five million, nine hundred eighty thousand, six hundred forty-eight".