51292585438 has 8 divisors (see below), whose sum is σ = 77329431432. Its totient is φ = 25516108296.

The previous prime is 51292585433. The next prime is 51292585457. The reversal of 51292585438 is 83458529215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51292585433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65091720 + ... + 65092507.

It is an arithmetic number, because the mean of its divisors is an integer number (9666178929).

Almost surely, 2^51292585438 is an apocalyptic number.

51292585438 is a deficient number, since it is larger than the sum of its proper divisors (26036845994).

51292585438 is a wasteful number, since it uses less digits than its factorization.

51292585438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130184426.

The product of its digits is 3456000, while the sum is 52.

The spelling of 51292585438 in words is "fifty-one billion, two hundred ninety-two million, five hundred eighty-five thousand, four hundred thirty-eight".