51264212592 has 20 divisors (see below), whose sum is σ = 132432549320. Its totient is φ = 17088070848.

The previous prime is 51264212563. The next prime is 51264212599. The reversal of 51264212592 is 29521246215.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 51264212592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51264212599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534002167 + ... + 534002262.

It is an arithmetic number, because the mean of its divisors is an integer number (6621627466).

Almost surely, 2^51264212592 is an apocalyptic number.

It is an amenable number.

51264212592 is an abundant number, since it is smaller than the sum of its proper divisors (81168336728).

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

51264212592 is a wasteful number, since it uses less digits than its factorization.

51264212592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068004440 (or 1068004434 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The spelling of 51264212592 in words is "fifty-one billion, two hundred sixty-four million, two hundred twelve thousand, five hundred ninety-two".