55222582 has 8 divisors (see below), whose sum is σ = 82877616. Its totient is φ = 27596712.

The previous prime is 55222577. The next prime is 55222627. The reversal of 55222582 is 28522255.

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

It is a super-3 number, since 3×55222582³ (a number of 24 digits) contains 333 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, 1698 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (10359702).

Almost surely, 2^55222582 is an apocalyptic number.

55222582 is a deficient number, since it is larger than the sum of its proper divisors (27655034).

55222582 is a wasteful number, since it uses less digits than its factorization.

55222582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14582.

The product of its digits is 16000, while the sum is 31.

The square root of 55222582 is about 7431.1898105216. The cubic root of 55222582 is about 380.8075669574.

The spelling of 55222582 in words is "fifty-five million, two hundred twenty-two thousand, five hundred eighty-two".