55735173889 has 4 divisors (see below), whose sum is σ = 56567042224. Its totient is φ = 54903305556.

The previous prime is 55735173859. The next prime is 55735173937. The reversal of 55735173889 is 98837153755.

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 a de Polignac number, because none of the positive numbers 2^k-55735173889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55735173839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415934067 + ... + 415934200.

It is an arithmetic number, because the mean of its divisors is an integer number (14141760556).

Almost surely, 2^55735173889 is an apocalyptic number.

It is an amenable number.

55735173889 is a deficient number, since it is larger than the sum of its proper divisors (831868335).

55735173889 is an equidigital number, since it uses as much as digits as its factorization.

55735173889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831868334.

The product of its digits is 31752000, while the sum is 61.

The spelling of 55735173889 in words is "fifty-five billion, seven hundred thirty-five million, one hundred seventy-three thousand, eight hundred eighty-nine".