51844044815 has 32 divisors (see below), whose sum is σ = 68780814336. Its totient is φ = 37314224640.

The previous prime is 51844044809. The next prime is 51844044821.

51844044815 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (51844044809) and next prime (51844044821).

It is not a de Polignac number, because 51844044815 - 2⁴ = 51844044799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3360770 + ... + 3376160.

It is an arithmetic number, because the mean of its divisors is an integer number (2149400448).

Almost surely, 2^51844044815 is an apocalyptic number.

51844044815 is a deficient number, since it is larger than the sum of its proper divisors (16936769521).

51844044815 is a wasteful number, since it uses less digits than its factorization.

51844044815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17159.

The product of its (nonzero) digits is 409600, while the sum is 44.

The spelling of 51844044815 in words is "fifty-one billion, eight hundred forty-four million, forty-four thousand, eight hundred fifteen".