55992280280 has 64 divisors (see below), whose sum is σ = 132665148000. Its totient is φ = 21209831424.

The previous prime is 55992280243. The next prime is 55992280349. The reversal of 55992280280 is 8208229955.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143136 + ... + 2169104.

Almost surely, 2^55992280280 is an apocalyptic number.

It is an amenable number.

55992280280 is an abundant number, since it is smaller than the sum of its proper divisors (76672867720).

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

55992280280 is a wasteful number, since it uses less digits than its factorization.

55992280280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28836 (or 28832 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 55992280280 in words is "fifty-five billion, nine hundred ninety-two million, two hundred eighty thousand, two hundred eighty".