55909732699 has 4 divisors (see below), whose sum is σ = 55910883280. Its totient is φ = 55908582120.

The previous prime is 55909732687. The next prime is 55909732729. The reversal of 55909732699 is 99623790955.

55909732699 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55909732699 - 2¹¹ = 55909730651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55909732699.

It is not an unprimeable number, because it can be changed into a prime (55909732199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499032 + ... + 600709.

It is an arithmetic number, because the mean of its divisors is an integer number (13977720820).

Almost surely, 2^55909732699 is an apocalyptic number.

55909732699 is a deficient number, since it is larger than the sum of its proper divisors (1150581).

55909732699 is a wasteful number, since it uses less digits than its factorization.

55909732699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150580.

The product of its (nonzero) digits is 41334300, while the sum is 64.

The spelling of 55909732699 in words is "fifty-five billion, nine hundred nine million, seven hundred thirty-two thousand, six hundred ninety-nine".