55223116 has 36 divisors (see below), whose sum is σ = 105533904. Its totient is φ = 25272000.

The previous prime is 55223107. The next prime is 55223143. The reversal of 55223116 is 61132255.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101806 + ... + 102346.

Almost surely, 2^55223116 is an apocalyptic number.

It is an amenable number.

55223116 is a deficient number, since it is larger than the sum of its proper divisors (50310788).

55223116 is a wasteful number, since it uses less digits than its factorization.

55223116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 707 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 55223116 is about 7431.2257400781. The cubic root of 55223116 is about 380.8087944177.

The spelling of 55223116 in words is "fifty-five million, two hundred twenty-three thousand, one hundred sixteen".