54217572 has 24 divisors (see below), whose sum is σ = 126626976. Its totient is φ = 18055488.

The previous prime is 54217567. The next prime is 54217627. The reversal of 54217572 is 27571245.

It is a super-2 number, since 2×54217572² = 5879090227150368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22783 + ... + 25049.

It is an arithmetic number, because the mean of its divisors is an integer number (5276124).

Almost surely, 2^54217572 is an apocalyptic number.

It is an amenable number.

54217572 is an abundant number, since it is smaller than the sum of its proper divisors (72409404).

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

54217572 is a wasteful number, since it uses less digits than its factorization.

54217572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4267 (or 4265 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 54217572 is about 7363.2582461842. The cubic root of 54217572 is about 378.4832709064.

The spelling of 54217572 in words is "fifty-four million, two hundred seventeen thousand, five hundred seventy-two".