55824807980 has 12 divisors (see below), whose sum is σ = 117232096800. Its totient is φ = 22329923184.

The previous prime is 55824807977. The next prime is 55824807989. The reversal of 55824807980 is 8970842855.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55824807989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395620180 + ... + 1395620219.

It is an arithmetic number, because the mean of its divisors is an integer number (9769341400).

Almost surely, 2^55824807980 is an apocalyptic number.

It is an amenable number.

55824807980 is an abundant number, since it is smaller than the sum of its proper divisors (61407288820).

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

55824807980 is a wasteful number, since it uses less digits than its factorization.

55824807980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791240408 (or 2791240406 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 55824807980 in words is "fifty-five billion, eight hundred twenty-four million, eight hundred seven thousand, nine hundred eighty".