55227968 has 56 divisors (see below), whose sum is σ = 121139712. Its totient is φ = 24848384.

The previous prime is 55227967. The next prime is 55227979. The reversal of 55227968 is 86972255.

It is not an unprimeable number, because it can be changed into a prime (55227967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23921 + ... + 26127.

Almost surely, 2^55227968 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 55227968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60569856).

55227968 is an abundant number, since it is smaller than the sum of its proper divisors (65911744).

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

55227968 is a wasteful number, since it uses less digits than its factorization.

55227968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259 (or 2249 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 55227968 is about 7431.5521931828. The cubic root of 55227968 is about 380.8199469343.

The spelling of 55227968 in words is "fifty-five million, two hundred twenty-seven thousand, nine hundred sixty-eight".