54522521 has 8 divisors (see below), whose sum is σ = 56402688. Its totient is φ = 52650000.

The previous prime is 54522487. The next prime is 54522539. The reversal of 54522521 is 12522545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54522521 - 2¹⁰ = 54521497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54522821) 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 7 ways as a sum of consecutive naturals, for example, 15146 + ... + 18396.

It is an arithmetic number, because the mean of its divisors is an integer number (7050336).

Almost surely, 2^54522521 is an apocalyptic number.

It is an amenable number.

54522521 is a deficient number, since it is larger than the sum of its proper divisors (1880167).

54522521 is a wasteful number, since it uses less digits than its factorization.

54522521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its digits is 4000, while the sum is 26.

The square root of 54522521 is about 7383.9366871609. The cubic root of 54522521 is about 379.1915429854.

The spelling of 54522521 in words is "fifty-four million, five hundred twenty-two thousand, five hundred twenty-one".