51715675 has 24 divisors (see below), whose sum is σ = 70776720. Its totient is φ = 37171200.

The previous prime is 51715669. The next prime is 51715679. The reversal of 51715675 is 57651715.

It is not a de Polignac number, because 51715675 - 2³ = 51715667 is a prime.

It is a super-2 number, since 2×51715675² = 5349022081411250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51715679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23419 + ... + 25531.

It is an arithmetic number, because the mean of its divisors is an integer number (2949030).

Almost surely, 2^51715675 is an apocalyptic number.

51715675 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51715675 is a deficient number, since it is larger than the sum of its proper divisors (19061045).

51715675 is a wasteful number, since it uses less digits than its factorization.

51715675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2218 counting only the distinct ones).

The product of its digits is 36750, while the sum is 37.

The square root of 51715675 is about 7191.3611368085. The cubic root of 51715675 is about 372.5695859670.

The spelling of 51715675 in words is "fifty-one million, seven hundred fifteen thousand, six hundred seventy-five".