55016222 has 8 divisors (see below), whose sum is σ = 82607472. Its totient is φ = 27480400.

The previous prime is 55016189. The next prime is 55016237. The reversal of 55016222 is 22261055.

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

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, 11279 + ... + 15402.

It is an arithmetic number, because the mean of its divisors is an integer number (10325934).

Almost surely, 2^55016222 is an apocalyptic number.

55016222 is a deficient number, since it is larger than the sum of its proper divisors (27591250).

55016222 is a wasteful number, since it uses less digits than its factorization.

55016222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27714.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 55016222 is about 7417.2920934799. The cubic root of 55016222 is about 380.3326311856.

Adding to 55016222 its reverse (22261055), we get a palindrome (77277277).

The spelling of 55016222 in words is "fifty-five million, sixteen thousand, two hundred twenty-two".