55702228 has 24 divisors (see below), whose sum is σ = 101993472. Its totient is φ = 26567904.

The previous prime is 55702223. The next prime is 55702237. The reversal of 55702228 is 82220755.

It is a self number, because there is not a number n which added to its sum of digits gives 55702228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55702223) 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, 50701 + ... + 51787.

It is an arithmetic number, because the mean of its divisors is an integer number (4249728).

Almost surely, 2^55702228 is an apocalyptic number.

It is an amenable number.

55702228 is a deficient number, since it is larger than the sum of its proper divisors (46291244).

55702228 is a wasteful number, since it uses less digits than its factorization.

55702228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 55702228 is about 7463.3925261908. The cubic root of 55702228 is about 381.9069151772.

The spelling of 55702228 in words is "fifty-five million, seven hundred two thousand, two hundred twenty-eight".