53523081 has 24 divisors (see below), whose sum is σ = 81768960. Its totient is φ = 33681600.

The previous prime is 53523061. The next prime is 53523091. The reversal of 53523081 is 18032535.

53523081 is a `hidden beast` number, since 5 + 352 + 308 + 1 = 666.

It is not a de Polignac number, because 53523081 - 2⁵ = 53523049 is a prime.

It is a super-2 number, since 2×53523081² = 5729440399465122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53523061) 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 23 ways as a sum of consecutive naturals, for example, 9100 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (3407040).

Almost surely, 2^53523081 is an apocalyptic number.

It is an amenable number.

53523081 is a deficient number, since it is larger than the sum of its proper divisors (28245879).

53523081 is a wasteful number, since it uses less digits than its factorization.

53523081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4757 (or 4754 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 53523081 is about 7315.9470337066. The cubic root of 53523081 is about 376.8602816789.

The spelling of 53523081 in words is "fifty-three million, five hundred twenty-three thousand, eighty-one".