53597685 has 16 divisors (see below), whose sum is σ = 90801216. Its totient is φ = 26903808.

The previous prime is 53597657. The next prime is 53597699. The reversal of 53597685 is 58679535.

It is not a de Polignac number, because 53597685 - 2¹⁷ = 53466613 is a prime.

It is a Curzon number.

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, 104839 + ... + 105348.

It is an arithmetic number, because the mean of its divisors is an integer number (5675076).

Almost surely, 2^53597685 is an apocalyptic number.

It is an amenable number.

53597685 is a deficient number, since it is larger than the sum of its proper divisors (37203531).

53597685 is a wasteful number, since it uses less digits than its factorization.

53597685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210212.

The product of its digits is 1134000, while the sum is 48.

The square root of 53597685 is about 7321.0439829303. The cubic root of 53597685 is about 377.0352979589.

The spelling of 53597685 in words is "fifty-three million, five hundred ninety-seven thousand, six hundred eighty-five".