54391488 has 28 divisors (see below), whose sum is σ = 143911320. Its totient is φ = 18130432.

The previous prime is 54391487. The next prime is 54391511. The reversal of 54391488 is 88419345.

It is not an unprimeable number, because it can be changed into a prime (54391487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141453 + ... + 141836.

It is an arithmetic number, because the mean of its divisors is an integer number (5139690).

Almost surely, 2^54391488 is an apocalyptic number.

It is an amenable number.

54391488 is an abundant number, since it is smaller than the sum of its proper divisors (89519832).

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

54391488 is a wasteful number, since it uses less digits than its factorization.

54391488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283304 (or 283294 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 54391488 is about 7375.0585082425. The cubic root of 54391488 is about 378.8875312277.

The spelling of 54391488 in words is "fifty-four million, three hundred ninety-one thousand, four hundred eighty-eight".