55468272 has 80 divisors (see below), whose sum is σ = 152847360. Its totient is φ = 17293056.

The previous prime is 55468243. The next prime is 55468279. The reversal of 55468272 is 27286455.

It is a self number, because there is not a number n which added to its sum of digits gives 55468272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55468279) 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, 51354 + ... + 52422.

It is an arithmetic number, because the mean of its divisors is an integer number (1910592).

Almost surely, 2^55468272 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 55468272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76423680).

55468272 is an abundant number, since it is smaller than the sum of its proper divisors (97379088).

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

55468272 is a wasteful number, since it uses less digits than its factorization.

55468272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1144 counting only the distinct ones).

The product of its digits is 134400, while the sum is 39.

The square root of 55468272 is about 7447.7024645188. The cubic root of 55468272 is about 381.3714799837.

The spelling of 55468272 in words is "fifty-five million, four hundred sixty-eight thousand, two hundred seventy-two".