55607120791 has 2 divisors, whose sum is σ = 55607120792. Its totient is φ = 55607120790.

The previous prime is 55607120783. The next prime is 55607120837. The reversal of 55607120791 is 19702170655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55607120791 - 2³ = 55607120783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55607120731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27803560395 + 27803560396.

It is an arithmetic number, because the mean of its divisors is an integer number (27803560396).

Almost surely, 2^55607120791 is an apocalyptic number.

55607120791 is a deficient number, since it is larger than the sum of its proper divisors (1).

55607120791 is an equidigital number, since it uses as much as digits as its factorization.

55607120791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 55607120791 in words is "fifty-five billion, six hundred seven million, one hundred twenty thousand, seven hundred ninety-one".