51492997367286 has 64 divisors (see below), whose sum is σ = 106732396286208. Its totient is φ = 16553123420288.

The previous prime is 51492997367281. The next prime is 51492997367299. The reversal of 51492997367286 is 68276379929415.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51492997367281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248005 + ... + 10151231.

It is an arithmetic number, because the mean of its divisors is an integer number (1667693691972).

Almost surely, 2^{51492997367286} is an apocalyptic number.

51492997367286 is an abundant number, since it is smaller than the sum of its proper divisors (55239398918922).

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

51492997367286 is a wasteful number, since it uses less digits than its factorization.

51492997367286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903565.

The product of its digits is 2469035520, while the sum is 78.

The spelling of 51492997367286 in words is "fifty-one trillion, four hundred ninety-two billion, nine hundred ninety-seven million, three hundred sixty-seven thousand, two hundred eighty-six".