55120533122 has 24 divisors (see below), whose sum is σ = 83657000700. Its totient is φ = 27238133088.

The previous prime is 55120533119. The next prime is 55120533133. The reversal of 55120533122 is 22133502155.

It can be written as a sum of positive squares in 2 ways, for example, as 51396970681 + 3723562441 = 226709^2 + 61021^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8845904 + ... + 8852132.

Almost surely, 2^55120533122 is an apocalyptic number.

55120533122 is a deficient number, since it is larger than the sum of its proper divisors (28536467578).

55120533122 is a wasteful number, since it uses less digits than its factorization.

55120533122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738 (or 6599 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 55120533122 in words is "fifty-five billion, one hundred twenty million, five hundred thirty-three thousand, one hundred twenty-two".