51722863032 has 32 divisors (see below), whose sum is σ = 129512119680. Its totient is φ = 17213626080.

The previous prime is 51722863019. The next prime is 51722863033. The reversal of 51722863032 is 23036822715.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51722863033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1692558 + ... + 1722845.

It is an arithmetic number, because the mean of its divisors is an integer number (4047253740).

Almost surely, 2^51722863032 is an apocalyptic number.

It is an amenable number.

51722863032 is an abundant number, since it is smaller than the sum of its proper divisors (77789256648).

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

51722863032 is a wasteful number, since it uses less digits than its factorization.

51722863032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3416043 (or 3416039 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 51722863032 in words is "fifty-one billion, seven hundred twenty-two million, eight hundred sixty-three thousand, thirty-two".