55221162 has 16 divisors (see below), whose sum is σ = 114251040. Its totient is φ = 17772272.

The previous prime is 55221161. The next prime is 55221167. The reversal of 55221162 is 26112255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55221161) 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, 158508 + ... + 158855.

It is an arithmetic number, because the mean of its divisors is an integer number (7140690).

Almost surely, 2^55221162 is an apocalyptic number.

55221162 is an abundant number, since it is smaller than the sum of its proper divisors (59029878).

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

55221162 is a wasteful number, since it uses less digits than its factorization.

55221162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317397.

The product of its digits is 1200, while the sum is 24.

The square root of 55221162 is about 7431.0942666609. The cubic root of 55221162 is about 380.8043028858.

The spelling of 55221162 in words is "fifty-five million, two hundred twenty-one thousand, one hundred sixty-two".