55383860607 has 20 divisors (see below), whose sum is σ = 74937846360. Its totient is φ = 36383950384.

The previous prime is 55383860603. The next prime is 55383860731. The reversal of 55383860607 is 70606838355.

It is not a de Polignac number, because 55383860607 - 2² = 55383860603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55383860607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55383860603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 142374769 + ... + 142375157.

It is an arithmetic number, because the mean of its divisors is an integer number (3746892318).

Almost surely, 2^55383860607 is an apocalyptic number.

55383860607 is a deficient number, since it is larger than the sum of its proper divisors (19553985753).

55383860607 is an frugal number, since it uses more digits than its factorization.

55383860607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 55383860607 in words is "fifty-five billion, three hundred eighty-three million, eight hundred sixty thousand, six hundred seven".