53992065 has 16 divisors (see below), whose sum is σ = 88723008. Its totient is φ = 28017216.

The previous prime is 53992061. The next prime is 53992073. The reversal of 53992065 is 56029935.

It is not a de Polignac number, because 53992065 - 2² = 53992061 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53992061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48087 + ... + 49196.

It is an arithmetic number, because the mean of its divisors is an integer number (5545188).

Almost surely, 2^53992065 is an apocalyptic number.

It is an amenable number.

53992065 is a deficient number, since it is larger than the sum of its proper divisors (34730943).

53992065 is a wasteful number, since it uses less digits than its factorization.

53992065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97328.

The product of its (nonzero) digits is 72900, while the sum is 39.

The square root of 53992065 is about 7347.9293001498. The cubic root of 53992065 is about 377.9578002217.

The spelling of 53992065 in words is "fifty-three million, nine hundred ninety-two thousand, sixty-five".