55572022 has 16 divisors (see below), whose sum is σ = 91072512. Its totient is φ = 25222120.

The previous prime is 55572007. The next prime is 55572029. The reversal of 55572022 is 22027555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55572029) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17523 + ... + 20449.

It is an arithmetic number, because the mean of its divisors is an integer number (5692032).

Almost surely, 2^55572022 is an apocalyptic number.

55572022 is a deficient number, since it is larger than the sum of its proper divisors (35500490).

55572022 is a wasteful number, since it uses less digits than its factorization.

55572022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 55572022 is about 7454.6644458352. The cubic root of 55572022 is about 381.6091092074.

Adding to 55572022 its reverse (22027555), we get a palindrome (77599577).

The spelling of 55572022 in words is "fifty-five million, five hundred seventy-two thousand, twenty-two".