55233822 has 32 divisors (see below), whose sum is σ = 129664512. Its totient is φ = 15354144.

The previous prime is 55233809. The next prime is 55233823. The reversal of 55233822 is 22833255.

It is a self number, because there is not a number n which added to its sum of digits gives 55233822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55233823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16218 + ... + 19325.

It is an arithmetic number, because the mean of its divisors is an integer number (4052016).

Almost surely, 2^55233822 is an apocalyptic number.

55233822 is an abundant number, since it is smaller than the sum of its proper divisors (74430690).

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

55233822 is a wasteful number, since it uses less digits than its factorization.

55233822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35592.

The product of its digits is 14400, while the sum is 30.

The square root of 55233822 is about 7431.9460439376. The cubic root of 55233822 is about 380.8334017187.

The spelling of 55233822 in words is "fifty-five million, two hundred thirty-three thousand, eight hundred twenty-two".