53621622 has 32 divisors (see below), whose sum is σ = 119462400. Its totient is φ = 17828424.

The previous prime is 53621611. The next prime is 53621657. The reversal of 53621622 is 22612635.

53621622 is a `hidden beast` number, since 5 + 36 + 2 + 1 + 622 = 666.

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

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, 25279 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (3733200).

Almost surely, 2^53621622 is an apocalyptic number.

53621622 is an abundant number, since it is smaller than the sum of its proper divisors (65840778).

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

53621622 is a wasteful number, since it uses less digits than its factorization.

53621622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537 (or 2531 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 53621622 is about 7322.6786082690. The cubic root of 53621622 is about 377.0914182354.

The spelling of 53621622 in words is "fifty-three million, six hundred twenty-one thousand, six hundred twenty-two".