55825722577 has 4 divisors (see below), whose sum is σ = 55826498560. Its totient is φ = 55824946596.

The previous prime is 55825722509. The next prime is 55825722583. The reversal of 55825722577 is 77522752855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55825722577 - 2²³ = 55817333969 is a prime.

It is a super-2 number, since 2×55825722577² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55825722587) 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 3 ways as a sum of consecutive naturals, for example, 267633 + ... + 428110.

It is an arithmetic number, because the mean of its divisors is an integer number (13956624640).

Almost surely, 2^55825722577 is an apocalyptic number.

It is an amenable number.

55825722577 is a deficient number, since it is larger than the sum of its proper divisors (775983).

55825722577 is an equidigital number, since it uses as much as digits as its factorization.

55825722577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775982.

The product of its digits is 13720000, while the sum is 55.

The spelling of 55825722577 in words is "fifty-five billion, eight hundred twenty-five million, seven hundred twenty-two thousand, five hundred seventy-seven".