55862028 has 24 divisors (see below), whose sum is σ = 144827760. Its totient is φ = 18620640.

The previous prime is 55862021. The next prime is 55862029. The reversal of 55862028 is 82026855.

55862028 is a `hidden beast` number, since 5 + 5 + 8 + 620 + 28 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 55861983 and 55862001.

It is not an unprimeable number, because it can be changed into a prime (55862021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258513 + ... + 258728.

It is an arithmetic number, because the mean of its divisors is an integer number (6034490).

Almost surely, 2^55862028 is an apocalyptic number.

It is an amenable number.

55862028 is an abundant number, since it is smaller than the sum of its proper divisors (88965732).

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

55862028 is a wasteful number, since it uses less digits than its factorization.

55862028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517254 (or 517246 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 55862028 is about 7474.0904463353. The cubic root of 55862028 is about 382.2717746560.

The spelling of 55862028 in words is "fifty-five million, eight hundred sixty-two thousand, twenty-eight".