55116190 has 16 divisors (see below), whose sum is σ = 99308592. Its totient is φ = 22024384.

The previous prime is 55116181. The next prime is 55116197. The reversal of 55116190 is 9161155.

It is a super-2 number, since 2×55116190² = 6075588800232200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55116197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10962 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (6206787).

Almost surely, 2^55116190 is an apocalyptic number.

55116190 is a deficient number, since it is larger than the sum of its proper divisors (44192402).

55116190 is a wasteful number, since it uses less digits than its factorization.

55116190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5531.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 55116190 is about 7424.0278824907. The cubic root of 55116190 is about 380.5628547172.

The spelling of 55116190 in words is "fifty-five million, one hundred sixteen thousand, one hundred ninety".