55220162 has 16 divisors (see below), whose sum is σ = 84132000. Its totient is φ = 27179712.

The previous prime is 55220141. The next prime is 55220167. The reversal of 55220162 is 26102255.

55220162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55220167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36089 + ... + 37587.

It is an arithmetic number, because the mean of its divisors is an integer number (5258250).

Almost surely, 2^55220162 is an apocalyptic number.

55220162 is a deficient number, since it is larger than the sum of its proper divisors (28911838).

55220162 is a wasteful number, since it uses less digits than its factorization.

55220162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55220162 is about 7431.0269815147. The cubic root of 55220162 is about 380.8020042103.

The spelling of 55220162 in words is "fifty-five million, two hundred twenty thousand, one hundred sixty-two".