55225118 has 8 divisors (see below), whose sum is σ = 89209848. Its totient is φ = 25488504.

The previous prime is 55225109. The next prime is 55225133. The reversal of 55225118 is 81152255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55225118² = 6099627316227848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061996 + ... + 1062047.

It is an arithmetic number, because the mean of its divisors is an integer number (11151231).

Almost surely, 2^55225118 is an apocalyptic number.

55225118 is a deficient number, since it is larger than the sum of its proper divisors (33984730).

55225118 is a wasteful number, since it uses less digits than its factorization.

55225118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124058.

The product of its digits is 4000, while the sum is 29.

The square root of 55225118 is about 7431.3604407269. The cubic root of 55225118 is about 380.8133961742.

The spelling of 55225118 in words is "fifty-five million, two hundred twenty-five thousand, one hundred eighteen".