54387672 has 32 divisors (see below), whose sum is σ = 137246400. Its totient is φ = 17958944.

The previous prime is 54387643. The next prime is 54387679. The reversal of 54387672 is 27678345.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54387679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8022 + ... + 13157.

It is an arithmetic number, because the mean of its divisors is an integer number (4288950).

Almost surely, 2^54387672 is an apocalyptic number.

It is an amenable number.

54387672 is an abundant number, since it is smaller than the sum of its proper divisors (82858728).

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

54387672 is a wasteful number, since it uses less digits than its factorization.

54387672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295 (or 21291 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 54387672 is about 7374.7997938927. The cubic root of 54387672 is about 378.8786703521.

The spelling of 54387672 in words is "fifty-four million, three hundred eighty-seven thousand, six hundred seventy-two".