53702385 has 32 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 25195200.

The previous prime is 53702359. The next prime is 53702413. The reversal of 53702385 is 58320735.

It is not a de Polignac number, because 53702385 - 2¹¹ = 53700337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135 + ... + 10364.

It is an arithmetic number, because the mean of its divisors is an integer number (3024000).

Almost surely, 2^53702385 is an apocalyptic number.

53702385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53702385 is a deficient number, since it is larger than the sum of its proper divisors (43065615).

53702385 is a wasteful number, since it uses less digits than its factorization.

53702385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10549.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 53702385 is about 7328.1911137743. The cubic root of 53702385 is about 377.2806438733.

The spelling of 53702385 in words is "fifty-three million, seven hundred two thousand, three hundred eighty-five".