55302028 has 24 divisors (see below), whose sum is σ = 102043872. Its totient is φ = 26171904.

The previous prime is 55302011. The next prime is 55302053. The reversal of 55302028 is 82020355.

It is a junction number, because it is equal to n+sod(n) for n = 55301993 and 55302011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 12022.

It is an arithmetic number, because the mean of its divisors is an integer number (4251828).

Almost surely, 2^55302028 is an apocalyptic number.

It is an amenable number.

55302028 is a deficient number, since it is larger than the sum of its proper divisors (46741844).

55302028 is a wasteful number, since it uses less digits than its factorization.

55302028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6321 (or 6319 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 55302028 is about 7436.5333321380. The cubic root of 55302028 is about 380.9900957968.

The spelling of 55302028 in words is "fifty-five million, three hundred two thousand, twenty-eight".