55578759139 has 4 divisors (see below), whose sum is σ = 56489886400. Its totient is φ = 54667631880.

The previous prime is 55578759133. The next prime is 55578759161. The reversal of 55578759139 is 93195787555.

55578759139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 55578759139 - 2⁷ = 55578759011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55578759133) 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, 455563539 + ... + 455563660.

It is an arithmetic number, because the mean of its divisors is an integer number (14122471600).

Almost surely, 2^55578759139 is an apocalyptic number.

55578759139 is a deficient number, since it is larger than the sum of its proper divisors (911127261).

55578759139 is an equidigital number, since it uses as much as digits as its factorization.

55578759139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911127260.

The product of its digits is 59535000, while the sum is 64.

The spelling of 55578759139 in words is "fifty-five billion, five hundred seventy-eight million, seven hundred fifty-nine thousand, one hundred thirty-nine".