54221526 has 24 divisors (see below), whose sum is σ = 117832104. Its totient is φ = 18019680.

The previous prime is 54221521. The next prime is 54221527. The reversal of 54221526 is 62512245.

It is a self number, because there is not a number n which added to its sum of digits gives 54221526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1906 + ... + 10586.

It is an arithmetic number, because the mean of its divisors is an integer number (4909671).

Almost surely, 2^54221526 is an apocalyptic number.

54221526 is an abundant number, since it is smaller than the sum of its proper divisors (63610578).

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

54221526 is a wasteful number, since it uses less digits than its factorization.

54221526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9036 (or 9033 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 54221526 is about 7363.5267365577. The cubic root of 54221526 is about 378.4924714074.

The spelling of 54221526 in words is "fifty-four million, two hundred twenty-one thousand, five hundred twenty-six".