55205253122 has 16 divisors (see below), whose sum is σ = 90171921600. Its totient is φ = 25248137040.

The previous prime is 55205253029. The next prime is 55205253139. The reversal of 55205253122 is 22135250255.

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, 25046654 + ... + 25048857.

It is an arithmetic number, because the mean of its divisors is an integer number (5635745100).

Almost surely, 2^55205253122 is an apocalyptic number.

55205253122 is a deficient number, since it is larger than the sum of its proper divisors (34966668478).

55205253122 is a wasteful number, since it uses less digits than its factorization.

55205253122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50095561.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 55205253122 in words is "fifty-five billion, two hundred five million, two hundred fifty-three thousand, one hundred twenty-two".