55081119 has 4 divisors (see below), whose sum is σ = 73441496. Its totient is φ = 36720744.

The previous prime is 55081099. The next prime is 55081127. The reversal of 55081119 is 91118055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 55081119 - 2⁵ = 55081087 is a prime.

It is a super-2 number, since 2×55081119² = 6067859340584322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55081199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9180184 + ... + 9180189.

It is an arithmetic number, because the mean of its divisors is an integer number (18360374).

Almost surely, 2^55081119 is an apocalyptic number.

55081119 is a deficient number, since it is larger than the sum of its proper divisors (18360377).

55081119 is a wasteful number, since it uses less digits than its factorization.

55081119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18360376.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 55081119 is about 7421.6655138857. The cubic root of 55081119 is about 380.4821189010.

The spelling of 55081119 in words is "fifty-five million, eighty-one thousand, one hundred nineteen".