55707077723 has 4 divisors (see below), whose sum is σ = 60771357528. Its totient is φ = 50642797920.

The previous prime is 55707077693. The next prime is 55707077737. The reversal of 55707077723 is 32777070755.

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

It is not a de Polignac number, because 55707077723 - 2⁶ = 55707077659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55707077743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532139886 + ... + 2532139907.

It is an arithmetic number, because the mean of its divisors is an integer number (15192839382).

Almost surely, 2^55707077723 is an apocalyptic number.

55707077723 is a deficient number, since it is larger than the sum of its proper divisors (5064279805).

55707077723 is a wasteful number, since it uses less digits than its factorization.

55707077723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064279804.

The product of its (nonzero) digits is 2521050, while the sum is 50.

The spelling of 55707077723 in words is "fifty-five billion, seven hundred seven million, seventy-seven thousand, seven hundred twenty-three".