55026328 has 16 divisors (see below), whose sum is σ = 117913680. Its totient is φ = 23582688.

The previous prime is 55026319. The next prime is 55026329. The reversal of 55026328 is 82362055.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55026328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55026329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491251 + ... + 491362.

It is an arithmetic number, because the mean of its divisors is an integer number (7369605).

Almost surely, 2^55026328 is an apocalyptic number.

It is an amenable number.

55026328 is an abundant number, since it is smaller than the sum of its proper divisors (62887352).

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

55026328 is a wasteful number, since it uses less digits than its factorization.

55026328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982626 (or 982622 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 55026328 is about 7417.9733081213. The cubic root of 55026328 is about 380.3559176885.

The spelling of 55026328 in words is "fifty-five million, twenty-six thousand, three hundred twenty-eight".