55823505779 has 16 divisors (see below), whose sum is σ = 57217733664. Its totient is φ = 54446515200.

The previous prime is 55823505713. The next prime is 55823505791. The reversal of 55823505779 is 97750532855.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55823505779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55843505779) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3890312 + ... + 3904634.

It is an arithmetic number, because the mean of its divisors is an integer number (3576108354).

Almost surely, 2^55823505779 is an apocalyptic number.

55823505779 is a deficient number, since it is larger than the sum of its proper divisors (1394227885).

55823505779 is a wasteful number, since it uses less digits than its factorization.

55823505779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14918.

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 55823505779 in words is "fifty-five billion, eight hundred twenty-three million, five hundred five thousand, seven hundred seventy-nine".