52412553021 has 16 divisors (see below), whose sum is σ = 70307445888. Its totient is φ = 34730304000.

The previous prime is 52412553013. The next prime is 52412553043. The reversal of 52412553021 is 12035521425.

It is not a de Polignac number, because 52412553021 - 2³ = 52412553013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52412553021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52412553071) 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, 260520 + ... + 415566.

It is an arithmetic number, because the mean of its divisors is an integer number (4394215368).

Almost surely, 2^52412553021 is an apocalyptic number.

It is an amenable number.

52412553021 is a deficient number, since it is larger than the sum of its proper divisors (17894892867).

52412553021 is a wasteful number, since it uses less digits than its factorization.

52412553021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155732.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 52412553021 in words is "fifty-two billion, four hundred twelve million, five hundred fifty-three thousand, twenty-one".