53082621 has 12 divisors (see below), whose sum is σ = 79515072. Its totient is φ = 35388252.

The previous prime is 53082613. The next prime is 53082647. The reversal of 53082621 is 12628035.

53082621 is a `hidden beast` number, since 5 + 30 + 8 + 2 + 621 = 666.

It is not a de Polignac number, because 53082621 - 2³ = 53082613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53082611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108981 + ... + 109466.

It is an arithmetic number, because the mean of its divisors is an integer number (6626256).

Almost surely, 2^53082621 is an apocalyptic number.

It is an amenable number.

53082621 is a deficient number, since it is larger than the sum of its proper divisors (26432451).

53082621 is an equidigital number, since it uses as much as digits as its factorization.

53082621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218462 (or 218450 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 53082621 is about 7285.7821131297. The cubic root of 53082621 is about 375.8236615598.

The spelling of 53082621 in words is "fifty-three million, eighty-two thousand, six hundred twenty-one".