55756157867 has 16 divisors (see below), whose sum is σ = 56595801600. Its totient is φ = 54922946400.

The previous prime is 55756157861. The next prime is 55756157869. The reversal of 55756157867 is 76875165755.

It is a cyclic number.

It is not a de Polignac number, because 55756157867 - 2⁶ = 55756157803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55756157861) 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, 17874734 + ... + 17877852.

It is an arithmetic number, because the mean of its divisors is an integer number (3537237600).

Almost surely, 2^55756157867 is an apocalyptic number.

55756157867 is a deficient number, since it is larger than the sum of its proper divisors (839643733).

55756157867 is a wasteful number, since it uses less digits than its factorization.

55756157867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066.

The product of its digits is 61740000, while the sum is 62.

The spelling of 55756157867 in words is "fifty-five billion, seven hundred fifty-six million, one hundred fifty-seven thousand, eight hundred sixty-seven".