55709348818 has 32 divisors (see below), whose sum is σ = 85678331904. Its totient is φ = 27154837392.

The previous prime is 55709348801. The next prime is 55709348837. The reversal of 55709348818 is 81884390755.

55709348818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34239721 + ... + 34241347.

It is an arithmetic number, because the mean of its divisors is an integer number (2677447872).

Almost surely, 2^55709348818 is an apocalyptic number.

55709348818 is a deficient number, since it is larger than the sum of its proper divisors (29968983086).

55709348818 is a wasteful number, since it uses less digits than its factorization.

55709348818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 9676800, while the sum is 58.

The spelling of 55709348818 in words is "fifty-five billion, seven hundred nine million, three hundred forty-eight thousand, eight hundred eighteen".