54591488 has 102 divisors (see below), whose sum is σ = 134478846. Its totient is φ = 22020096.

The previous prime is 54591479. The next prime is 54591497. The reversal of 54591488 is 88419545.

It is an interprime number because it is at equal distance from previous prime (54591479) and next prime (54591497).

It can be written as a sum of positive squares in only one way, i.e., 51380224 + 3211264 = 7168^2 + 1792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3211256 + ... + 3211272.

Almost surely, 2^54591488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54591488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67239423).

54591488 is an abundant number, since it is smaller than the sum of its proper divisors (79887358).

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

54591488 is an frugal number, since it uses more digits than its factorization.

54591488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 26 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 54591488 is about 7388.6052811068. The cubic root of 54591488 is about 379.3513588055.

The spelling of 54591488 in words is "fifty-four million, five hundred ninety-one thousand, four hundred eighty-eight".