53612905 has 8 divisors (see below), whose sum is σ = 64374912. Its totient is φ = 42864048.

The previous prime is 53612893. The next prime is 53612957. The reversal of 53612905 is 50921635.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53612905 - 2⁹ = 53612393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13342 + ... + 16888.

It is an arithmetic number, because the mean of its divisors is an integer number (8046864).

Almost surely, 2^53612905 is an apocalyptic number.

It is an amenable number.

53612905 is a deficient number, since it is larger than the sum of its proper divisors (10762007).

53612905 is a wasteful number, since it uses less digits than its factorization.

53612905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6575.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 53612905 is about 7322.0833783835. The cubic root of 53612905 is about 377.0709831702.

The spelling of 53612905 in words is "fifty-three million, six hundred twelve thousand, nine hundred five".