55022828 has 24 divisors (see below), whose sum is σ = 110222112. Its totient is φ = 23543424.

The previous prime is 55022827. The next prime is 55022833. The reversal of 55022828 is 82822055.

It is a happy number.

It is a super-2 number, since 2×55022828² = 6055023202235168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55022794 and 55022803.

It is not an unprimeable number, because it can be changed into a prime (55022827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22850 + ... + 25142.

It is an arithmetic number, because the mean of its divisors is an integer number (4592588).

Almost surely, 2^55022828 is an apocalyptic number.

It is an amenable number.

55022828 is an abundant number, since it is smaller than the sum of its proper divisors (55199284).

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

55022828 is a wasteful number, since it uses less digits than its factorization.

55022828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3161 (or 3159 counting only the distinct ones).

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

The square root of 55022828 is about 7417.7373908760. The cubic root of 55022828 is about 380.3478532220.

The spelling of 55022828 in words is "fifty-five million, twenty-two thousand, eight hundred twenty-eight".