53522091 has 24 divisors (see below), whose sum is σ = 90745824. Its totient is φ = 29756160.

The previous prime is 53522087. The next prime is 53522099. The reversal of 53522091 is 19022535.

53522091 is a `hidden beast` number, since 53 + 522 + 0 + 91 = 666.

It is not a de Polignac number, because 53522091 - 2² = 53522087 is a prime.

It is a super-2 number, since 2×53522091² = 5729228450024562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53522099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9150 + ... + 13811.

It is an arithmetic number, because the mean of its divisors is an integer number (3781076).

Almost surely, 2^53522091 is an apocalyptic number.

53522091 is a deficient number, since it is larger than the sum of its proper divisors (37223733).

53522091 is a wasteful number, since it uses less digits than its factorization.

53522091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23011 (or 23008 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 53522091 is about 7315.8793729804. The cubic root of 53522091 is about 376.8579581083.

The spelling of 53522091 in words is "fifty-three million, five hundred twenty-two thousand, ninety-one".