51370923 has 16 divisors (see below), whose sum is σ = 73249056. Its totient is φ = 31910400.

The previous prime is 51370901. The next prime is 51370931. The reversal of 51370923 is 32907315.

It is not a de Polignac number, because 51370923 - 2¹⁸ = 51108779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51370933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (4578066).

Almost surely, 2^51370923 is an apocalyptic number.

51370923 is a deficient number, since it is larger than the sum of its proper divisors (21878133).

51370923 is a wasteful number, since it uses less digits than its factorization.

51370923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10094.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 51370923 is about 7167.3511843637. The cubic root of 51370923 is about 371.7398530917.

The spelling of 51370923 in words is "fifty-one million, three hundred seventy thousand, nine hundred twenty-three".