55050117690 has 64 divisors (see below), whose sum is σ = 133828329600. Its totient is φ = 14490557184.

The previous prime is 55050117631. The next prime is 55050117769. The reversal of 55050117690 is 9671105055.

It is a super-2 number, since 2×55050117690² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3051216 + ... + 3069204.

It is an arithmetic number, because the mean of its divisors is an integer number (2091067650).

Almost surely, 2^55050117690 is an apocalyptic number.

55050117690 is an abundant number, since it is smaller than the sum of its proper divisors (78778211910).

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

55050117690 is a wasteful number, since it uses less digits than its factorization.

55050117690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19311.

The product of its (nonzero) digits is 47250, while the sum is 39.

The spelling of 55050117690 in words is "fifty-five billion, fifty million, one hundred seventeen thousand, six hundred ninety".