54522531 has 32 divisors (see below), whose sum is σ = 94072320. Its totient is φ = 30562272.

The previous prime is 54522487. The next prime is 54522539. The reversal of 54522531 is 13522545.

It is a happy number.

It is not a de Polignac number, because 54522531 - 2⁶ = 54522467 is a prime.

It is a super-2 number, since 2×54522531² = 5945412773291922, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 54522495 and 54522504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54522539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7296 + ... + 12738.

It is an arithmetic number, because the mean of its divisors is an integer number (2939760).

Almost surely, 2^54522531 is an apocalyptic number.

54522531 is a deficient number, since it is larger than the sum of its proper divisors (39549789).

54522531 is a wasteful number, since it uses less digits than its factorization.

54522531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512 (or 5506 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 54522531 is about 7383.9373643064. The cubic root of 54522531 is about 379.1915661680.

The spelling of 54522531 in words is "fifty-four million, five hundred twenty-two thousand, five hundred thirty-one".