51422633564 has 6 divisors (see below), whose sum is σ = 89989608744. Its totient is φ = 25711316780.

The previous prime is 51422633441. The next prime is 51422633567. The reversal of 51422633564 is 46533622415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51422633567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427829192 + ... + 6427829199.

It is an arithmetic number, because the mean of its divisors is an integer number (14998268124).

Almost surely, 2^51422633564 is an apocalyptic number.

It is an amenable number.

51422633564 is a deficient number, since it is larger than the sum of its proper divisors (38566975180).

51422633564 is a wasteful number, since it uses less digits than its factorization.

51422633564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12855658395 (or 12855658393 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The spelling of 51422633564 in words is "fifty-one billion, four hundred twenty-two million, six hundred thirty-three thousand, five hundred sixty-four".