55088222 has 8 divisors (see below), whose sum is σ = 94436976. Its totient is φ = 23609232.

The previous prime is 55088221. The next prime is 55088263. The reversal of 55088222 is 22288055.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55088221) 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, 1967423 + ... + 1967450.

It is an arithmetic number, because the mean of its divisors is an integer number (11804622).

Almost surely, 2^55088222 is an apocalyptic number.

55088222 is a deficient number, since it is larger than the sum of its proper divisors (39348754).

55088222 is a wasteful number, since it uses less digits than its factorization.

55088222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934882.

The product of its (nonzero) digits is 12800, while the sum is 32.

The square root of 55088222 is about 7422.1440298609. The cubic root of 55088222 is about 380.4984732548.

The spelling of 55088222 in words is "fifty-five million, eighty-eight thousand, two hundred twenty-two".