54172544 has 32 divisors (see below), whose sum is σ = 112620240. Its totient is φ = 25907200.

The previous prime is 54172543. The next prime is 54172549. The reversal of 54172544 is 44527145.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 54172544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54172543) 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, 6257 + ... + 12144.

Almost surely, 2^54172544 is an apocalyptic number.

It is an amenable number.

54172544 is an abundant number, since it is smaller than the sum of its proper divisors (58447696).

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

54172544 is a wasteful number, since it uses less digits than its factorization.

54172544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18438 (or 18426 counting only the distinct ones).

The product of its digits is 22400, while the sum is 32.

The square root of 54172544 is about 7360.1999972827. The cubic root of 54172544 is about 378.3784643883.

Adding to 54172544 its reverse (44527145), we get a palindrome (98699689).

The spelling of 54172544 in words is "fifty-four million, one hundred seventy-two thousand, five hundred forty-four".