53086715 has 16 divisors (see below), whose sum is σ = 70177536. Its totient is φ = 38229600.

The previous prime is 53086697. The next prime is 53086727. The reversal of 53086715 is 51768035.

It is not a de Polignac number, because 53086715 - 2⁶ = 53086651 is a prime.

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, 980 + ... + 10350.

It is an arithmetic number, because the mean of its divisors is an integer number (4386096).

Almost surely, 2^53086715 is an apocalyptic number.

53086715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53086715 is a deficient number, since it is larger than the sum of its proper divisors (17090821).

53086715 is a wasteful number, since it uses less digits than its factorization.

53086715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9490.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 53086715 is about 7286.0630658813. The cubic root of 53086715 is about 375.8333231182.

The spelling of 53086715 in words is "fifty-three million, eighty-six thousand, seven hundred fifteen".