51944715 has 12 divisors (see below), whose sum is σ = 90037584. Its totient is φ = 27703824.

The previous prime is 51944699. The next prime is 51944719. The reversal of 51944715 is 51744915.

It is not a de Polignac number, because 51944715 - 2⁴ = 51944699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51944715.

It is not an unprimeable number, because it can be changed into a prime (51944719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577119 + ... + 577208.

It is an arithmetic number, because the mean of its divisors is an integer number (7503132).

Almost surely, 2^51944715 is an apocalyptic number.

51944715 is a deficient number, since it is larger than the sum of its proper divisors (38092869).

51944715 is a wasteful number, since it uses less digits than its factorization.

51944715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154338 (or 1154335 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 51944715 is about 7207.2682064705. The cubic root of 51944715 is about 373.1187919306.

The spelling of 51944715 in words is "fifty-one million, nine hundred forty-four thousand, seven hundred fifteen".