55891070739 has 20 divisors (see below), whose sum is σ = 95418971824. Its totient is φ = 31937754384.

The previous prime is 55891070713. The next prime is 55891070759. The reversal of 55891070739 is 93707019855.

55891070739 is a `hidden beast` number, since 558 + 9 + 10 + 7 + 0 + 73 + 9 = 666.

It is not a de Polignac number, because 55891070739 - 2²⁵ = 55857516307 is a prime.

It is a super-2 number, since 2×55891070739² (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 (55891070759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49286092 + ... + 49287225.

Almost surely, 2^55891070739 is an apocalyptic number.

55891070739 is a deficient number, since it is larger than the sum of its proper divisors (39527901085).

55891070739 is an equidigital number, since it uses as much as digits as its factorization.

55891070739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98573336 (or 98573327 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 55891070739 in words is "fifty-five billion, eight hundred ninety-one million, seventy thousand, seven hundred thirty-nine".