54537972 has 48 divisors (see below), whose sum is σ = 136406592. Its totient is φ = 16898560.

The previous prime is 54537947. The next prime is 54537979. The reversal of 54537972 is 27973545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54537979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15322 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (2841804).

Almost surely, 2^54537972 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 54537972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68203296).

54537972 is an abundant number, since it is smaller than the sum of its proper divisors (81868620).

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

54537972 is a wasteful number, since it uses less digits than its factorization.

54537972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328 (or 3326 counting only the distinct ones).

The product of its digits is 264600, while the sum is 42.

The square root of 54537972 is about 7384.9828706640. The cubic root of 54537972 is about 379.2273589814.

The spelling of 54537972 in words is "fifty-four million, five hundred thirty-seven thousand, nine hundred seventy-two".