54221588 has 12 divisors (see below), whose sum is σ = 94972500. Its totient is φ = 27086592.

The previous prime is 54221579. The next prime is 54221593. The reversal of 54221588 is 88512245.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25684624 + 28536964 = 5068^2 + 5342^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 10422.

It is an arithmetic number, because the mean of its divisors is an integer number (7914375).

Almost surely, 2^54221588 is an apocalyptic number.

It is an amenable number.

54221588 is a deficient number, since it is larger than the sum of its proper divisors (40750912).

54221588 is a wasteful number, since it uses less digits than its factorization.

54221588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12106 (or 12104 counting only the distinct ones).

The product of its digits is 25600, while the sum is 35.

The square root of 54221588 is about 7363.5309464957. The cubic root of 54221588 is about 378.4926156706.

The spelling of 54221588 in words is "fifty-four million, two hundred twenty-one thousand, five hundred eighty-eight".