54787488 has 144 divisors (see below), whose sum is σ = 176389920. Its totient is φ = 14805504.

The previous prime is 54787463. The next prime is 54787493. The reversal of 54787488 is 88478745.

It is a self number, because there is not a number n which added to its sum of digits gives 54787488.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89070 + ... + 89682.

It is an arithmetic number, because the mean of its divisors is an integer number (1224930).

Almost surely, 2^54787488 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 54787488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88194960).

54787488 is an abundant number, since it is smaller than the sum of its proper divisors (121602432).

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

54787488 is a wasteful number, since it uses less digits than its factorization.

54787488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 644 counting only the distinct ones).

The product of its digits is 2007040, while the sum is 51.

The square root of 54787488 is about 7401.8570642779. The cubic root of 54787488 is about 379.8048120391.

The spelling of 54787488 in words is "fifty-four million, seven hundred eighty-seven thousand, four hundred eighty-eight".