51914615 has 16 divisors (see below), whose sum is σ = 65280000. Its totient is φ = 39584160.

The previous prime is 51914587. The next prime is 51914641. The reversal of 51914615 is 51641915.

It is not a de Polignac number, because 51914615 - 2²² = 47720311 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7886 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (4080000).

Almost surely, 2^51914615 is an apocalyptic number.

51914615 is a deficient number, since it is larger than the sum of its proper divisors (13365385).

51914615 is a wasteful number, since it uses less digits than its factorization.

51914615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102.

The product of its digits is 5400, while the sum is 32.

The square root of 51914615 is about 7205.1797340524. The cubic root of 51914615 is about 373.0467085908.

The spelling of 51914615 in words is "fifty-one million, nine hundred fourteen thousand, six hundred fifteen".