55002122 has 16 divisors (see below), whose sum is σ = 97331712. Its totient is φ = 22811760.

The previous prime is 55002083. The next prime is 55002137. The reversal of 55002122 is 22120055.

It is a self number, because there is not a number n which added to its sum of digits gives 55002122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62933 + ... + 63800.

It is an arithmetic number, because the mean of its divisors is an integer number (6083232).

Almost surely, 2^55002122 is an apocalyptic number.

55002122 is a deficient number, since it is larger than the sum of its proper divisors (42329590).

55002122 is a wasteful number, since it uses less digits than its factorization.

55002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126773.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 55002122 is about 7416.3415509266. The cubic root of 55002122 is about 380.3001368406.

Adding to 55002122 its reverse (22120055), we get a palindrome (77122177).

The spelling of 55002122 in words is "fifty-five million, two thousand, one hundred twenty-two".