55020884 has 12 divisors (see below), whose sum is σ = 101354400. Its totient is φ = 26062488.

The previous prime is 55020883. The next prime is 55020919. The reversal of 55020884 is 48802055.

55020884 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 2×55020884² = 6054595352282912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55020884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55020883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 361904 + ... + 362055.

It is an arithmetic number, because the mean of its divisors is an integer number (8446200).

Almost surely, 2^55020884 is an apocalyptic number.

It is an amenable number.

55020884 is a deficient number, since it is larger than the sum of its proper divisors (46333516).

55020884 is a wasteful number, since it uses less digits than its factorization.

55020884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 723982 (or 723980 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55020884 is about 7417.6063524563. The cubic root of 55020884 is about 380.3433738392.

The spelling of 55020884 in words is "fifty-five million, twenty thousand, eight hundred eighty-four".