51944707 has 16 divisors (see below), whose sum is σ = 56881440. Its totient is φ = 47236608.

The previous prime is 51944699. The next prime is 51944719. The reversal of 51944707 is 70744915.

It is not a de Polignac number, because 51944707 - 2³ = 51944699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51944107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169048 + ... + 169354.

It is an arithmetic number, because the mean of its divisors is an integer number (3555090).

Almost surely, 2^51944707 is an apocalyptic number.

51944707 is a deficient number, since it is larger than the sum of its proper divisors (4936733).

51944707 is a wasteful number, since it uses less digits than its factorization.

51944707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 51944707 is about 7207.2676514751. The cubic root of 51944707 is about 373.1187727759.

The spelling of 51944707 in words is "fifty-one million, nine hundred forty-four thousand, seven hundred seven".