55743777775 has 96 divisors (see below), whose sum is σ = 82997544960. Its totient is φ = 36345093120.

The previous prime is 55743777769. The next prime is 55743777797. The reversal of 55743777775 is 57777734755.

It is a de Polignac number, because none of the positive numbers 2^k-55743777775 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 97967691 + ... + 97968259.

It is an arithmetic number, because the mean of its divisors is an integer number (864557760).

Almost surely, 2^55743777775 is an apocalyptic number.

55743777775 is a deficient number, since it is larger than the sum of its proper divisors (27253767185).

55743777775 is a wasteful number, since it uses less digits than its factorization.

55743777775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 948 counting only the distinct ones).

The product of its digits is 176473500, while the sum is 64.

The spelling of 55743777775 in words is "fifty-five billion, seven hundred forty-three million, seven hundred seventy-seven thousand, seven hundred seventy-five".