55328076 has 96 divisors (see below), whose sum is σ = 153888000. Its totient is φ = 17138304.

The previous prime is 55328059. The next prime is 55328089. The reversal of 55328076 is 67082355.

55328076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55328076² = 6122391987723552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55328076.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120840 + ... + 121296.

It is an arithmetic number, because the mean of its divisors is an integer number (1603000).

Almost surely, 2^55328076 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 55328076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76944000).

55328076 is an abundant number, since it is smaller than the sum of its proper divisors (98559924).

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

55328076 is a wasteful number, since it uses less digits than its factorization.

55328076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548 (or 540 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55328076 is about 7438.2844796364. The cubic root of 55328076 is about 381.0499035631.

The spelling of 55328076 in words is "fifty-five million, three hundred twenty-eight thousand, seventy-six".