53612490 has 32 divisors (see below), whose sum is σ = 135443520. Its totient is φ = 13544064.

The previous prime is 53612483. The next prime is 53612539. The reversal of 53612490 is 9421635.

53612490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46459 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (4232610).

Almost surely, 2^53612490 is an apocalyptic number.

53612490 is an abundant number, since it is smaller than the sum of its proper divisors (81831030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53612490 is a wasteful number, since it uses less digits than its factorization.

53612490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94086.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53612490 is about 7322.0550393998. The cubic root of 53612490 is about 377.0700102398.

The spelling of 53612490 in words is "fifty-three million, six hundred twelve thousand, four hundred ninety".