52456521402 has 32 divisors (see below), whose sum is σ = 117013311360. Its totient is φ = 17419017600.

The previous prime is 52456521401. The next prime is 52456521407. The reversal of 52456521402 is 20412565425.

52456521402 is a `hidden beast` number, since 5 + 245 + 6 + 5 + 2 + 1 + 402 = 666.

It is not an unprimeable number, because it can be changed into a prime (52456521401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832599 + ... + 1861002.

It is an arithmetic number, because the mean of its divisors is an integer number (3656665980).

Almost surely, 2^52456521402 is an apocalyptic number.

52456521402 is an abundant number, since it is smaller than the sum of its proper divisors (64556789958).

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

52456521402 is a wasteful number, since it uses less digits than its factorization.

52456521402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693875 (or 3693869 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 52456521402 in words is "fifty-two billion, four hundred fifty-six million, five hundred twenty-one thousand, four hundred two".