545972 has 48 divisors (see below), whose sum is σ = 1225728. Its totient is φ = 207360.

The previous prime is 545959. The next prime is 546001. The reversal of 545972 is 279545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14738 + ... + 14774.

It is an arithmetic number, because the mean of its divisors is an integer number (25536).

2⁵⁴⁵⁹⁷² 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 545972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612864).

545972 is an abundant number, since it is smaller than the sum of its proper divisors (679756).

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

545972 is a wasteful number, since it uses less digits than its factorization.

545972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96 (or 94 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 545972 is about 738.8991812149. The cubic root of 545972 is about 81.7316230861.

The spelling of 545972 in words is "five hundred forty-five thousand, nine hundred seventy-two".