51552525042 has 24 divisors (see below), whose sum is σ = 113270339520. Its totient is φ = 16942143960.

The previous prime is 51552524999. The next prime is 51552525053. The reversal of 51552525042 is 24052525515.

51552525042 is a `hidden beast` number, since 5 + 1 + 552 + 52 + 50 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51552524988 and 51552525006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20167942 + ... + 20170497.

It is an arithmetic number, because the mean of its divisors is an integer number (4719597480).

Almost surely, 2^51552525042 is an apocalyptic number.

51552525042 is an abundant number, since it is smaller than the sum of its proper divisors (61717814478).

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

51552525042 is a wasteful number, since it uses less digits than its factorization.

51552525042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40338518 (or 40338515 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The spelling of 51552525042 in words is "fifty-one billion, five hundred fifty-two million, five hundred twenty-five thousand, forty-two".