51237354364 has 24 divisors (see below), whose sum is σ = 102540025728. Its totient is φ = 21944869680.

The previous prime is 51237354361. The next prime is 51237354407. The reversal of 51237354364 is 46345373215.

It is a self number, because there is not a number n which added to its sum of digits gives 51237354364.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51237354361) 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, 538414 + ... + 626389.

It is an arithmetic number, because the mean of its divisors is an integer number (4272501072).

Almost surely, 2^51237354364 is an apocalyptic number.

It is an amenable number.

51237354364 is an abundant number, since it is smaller than the sum of its proper divisors (51302671364).

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

51237354364 is a wasteful number, since it uses less digits than its factorization.

51237354364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166385 (or 1166383 counting only the distinct ones).

The product of its digits is 907200, while the sum is 43.

The spelling of 51237354364 in words is "fifty-one billion, two hundred thirty-seven million, three hundred fifty-four thousand, three hundred sixty-four".