55890949122 has 54 divisors (see below), whose sum is σ = 122510621961. Its totient is φ = 18415337040.

The previous prime is 55890949117. The next prime is 55890949139. The reversal of 55890949122 is 22194909855.

55890949122 is a `hidden beast` number, since 5 + 589 + 0 + 9 + 49 + 12 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 55295052201 + 595896921 = 235149^2 + 24411^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167169.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 103310172 + ... + 103310712.

Almost surely, 2^55890949122 is an apocalyptic number.

55890949122 is an abundant number, since it is smaller than the sum of its proper divisors (66619672839).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55890949122 is an equidigital number, since it uses as much as digits as its factorization.

55890949122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 54.

The spelling of 55890949122 in words is "fifty-five billion, eight hundred ninety million, nine hundred forty-nine thousand, one hundred twenty-two".