51914907 has 24 divisors (see below), whose sum is σ = 82450368. Its totient is φ = 31215600.

The previous prime is 51914893. The next prime is 51914927. The reversal of 51914907 is 70941915.

It is not a de Polignac number, because 51914907 - 2¹¹ = 51912859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51914927) 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 23 ways as a sum of consecutive naturals, for example, 10968 + ... + 14970.

It is an arithmetic number, because the mean of its divisors is an integer number (3435432).

Almost surely, 2^51914907 is an apocalyptic number.

51914907 is a deficient number, since it is larger than the sum of its proper divisors (30535461).

51914907 is a wasteful number, since it uses less digits than its factorization.

51914907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4151 (or 4148 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 51914907 is about 7205.1999972242. The cubic root of 51914907 is about 373.0474080048.

The spelling of 51914907 in words is "fifty-one million, nine hundred fourteen thousand, nine hundred seven".