55570022 has 32 divisors (see below), whose sum is σ = 90201600. Its totient is φ = 25597728.

The previous prime is 55570019. The next prime is 55570043. The reversal of 55570022 is 22007555.

It is a junction number, because it is equal to n+sod(n) for n = 55569973 and 55570000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 321128 + ... + 321300.

It is an arithmetic number, because the mean of its divisors is an integer number (2818800).

Almost surely, 2^55570022 is an apocalyptic number.

55570022 is a deficient number, since it is larger than the sum of its proper divisors (34631578).

55570022 is a wasteful number, since it uses less digits than its factorization.

55570022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 55570022 is about 7454.5303004281. The cubic root of 55570022 is about 381.6045312001.

Adding to 55570022 its reverse (22007555), we get a palindrome (77577577).

The spelling of 55570022 in words is "fifty-five million, five hundred seventy thousand, twenty-two".