55651005099 has 32 divisors (see below), whose sum is σ = 83852758080. Its totient is φ = 36468403200.

The previous prime is 55651005037. The next prime is 55651005101. The reversal of 55651005099 is 99050015655.

55651005099 is a `hidden beast` number, since 556 + 5 + 1 + 0 + 0 + 5 + 0 + 99 = 666.

It is not a de Polignac number, because 55651005099 - 2⁷ = 55651004971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55651005019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2685819 + ... + 2706459.

It is an arithmetic number, because the mean of its divisors is an integer number (2620398690).

Almost surely, 2^55651005099 is an apocalyptic number.

55651005099 is a deficient number, since it is larger than the sum of its proper divisors (28201752981).

55651005099 is a wasteful number, since it uses less digits than its factorization.

55651005099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22348 (or 22342 counting only the distinct ones).

The product of its (nonzero) digits is 303750, while the sum is 45.

The spelling of 55651005099 in words is "fifty-five billion, six hundred fifty-one million, five thousand, ninety-nine".