53031522 has 24 divisors (see below), whose sum is σ = 107439984. Its totient is φ = 17450584.

The previous prime is 53031521. The next prime is 53031523. The reversal of 53031522 is 22513035.

It is an interprime number because it is at equal distance from previous prime (53031521) and next prime (53031523).

It is not an unprimeable number, because it can be changed into a prime (53031521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 40693 + ... + 41975.

It is an arithmetic number, because the mean of its divisors is an integer number (4476666).

Almost surely, 2^53031522 is an apocalyptic number.

53031522 is an abundant number, since it is smaller than the sum of its proper divisors (54408462).

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

53031522 is a wasteful number, since it uses less digits than its factorization.

53031522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1371 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 53031522 is about 7282.2745073226. The cubic root of 53031522 is about 375.7030296191.

Adding to 53031522 its reverse (22513035), we get a palindrome (75544557).

The spelling of 53031522 in words is "fifty-three million, thirty-one thousand, five hundred twenty-two".