52117515 has 24 divisors (see below), whose sum is σ = 91239408. Its totient is φ = 27518400.

The previous prime is 52117511. The next prime is 52117523. The reversal of 52117515 is 51571125.

It is not a de Polignac number, because 52117515 - 2² = 52117511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52117511) 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, 1189 + ... + 10278.

It is an arithmetic number, because the mean of its divisors is an integer number (3801642).

Almost surely, 2^52117515 is an apocalyptic number.

52117515 is a deficient number, since it is larger than the sum of its proper divisors (39121893).

52117515 is a wasteful number, since it uses less digits than its factorization.

52117515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11579 (or 11576 counting only the distinct ones).

The product of its digits is 1750, while the sum is 27.

The square root of 52117515 is about 7219.2461517807. The cubic root of 52117515 is about 373.5320746851.

The spelling of 52117515 in words is "fifty-two million, one hundred seventeen thousand, five hundred fifteen".