51851400492562 has 16 divisors (see below), whose sum is σ = 85921768368000. Its totient is φ = 23270478931440.

The previous prime is 51851400492557. The next prime is 51851400492601. The reversal of 51851400492562 is 26529400415815.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14916971937 + ... + 14916975412.

It is an arithmetic number, because the mean of its divisors is an integer number (5370110523000).

Almost surely, 2^{51851400492562} is an apocalyptic number.

51851400492562 is a deficient number, since it is larger than the sum of its proper divisors (34070367875438).

51851400492562 is a wasteful number, since it uses less digits than its factorization.

51851400492562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29833947441.

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

The spelling of 51851400492562 in words is "fifty-one trillion, eight hundred fifty-one billion, four hundred million, four hundred ninety-two thousand, five hundred sixty-two".