55242520255152 has 60 divisors (see below), whose sum is σ = 154618759127664. Its totient is φ = 18412216717440.

The previous prime is 55242520255133. The next prime is 55242520255157. The reversal of 55242520255152 is 25155202524255.

55242520255152 is a `hidden beast` number, since 5 + 5 + 2 + 4 + 2 + 520 + 25 + 51 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 55242520255098 and 55242520255107.

It is not an unprimeable number, because it can be changed into a prime (55242520255157) 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, 19022124 + ... + 21733067.

Almost surely, 2^{55242520255152} is an apocalyptic number.

It is an amenable number.

55242520255152 is an abundant number, since it is smaller than the sum of its proper divisors (99376238872512).

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

55242520255152 is a wasteful number, since it uses less digits than its factorization.

55242520255152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40764618 (or 40764609 counting only the distinct ones).

The product of its (nonzero) digits is 2000000, while the sum is 45.

The spelling of 55242520255152 in words is "fifty-five trillion, two hundred forty-two billion, five hundred twenty million, two hundred fifty-five thousand, one hundred fifty-two".