55894492007 has 2 divisors, whose sum is σ = 55894492008. Its totient is φ = 55894492006.

The previous prime is 55894491971. The next prime is 55894492051. The reversal of 55894492007 is 70029449855.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55894492007 - 2²² = 55890297703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55894492007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55894402007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27947246003 + 27947246004.

It is an arithmetic number, because the mean of its divisors is an integer number (27947246004).

Almost surely, 2^55894492007 is an apocalyptic number.

55894492007 is a deficient number, since it is larger than the sum of its proper divisors (1).

55894492007 is an equidigital number, since it uses as much as digits as its factorization.

55894492007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 55894492007 in words is "fifty-five billion, eight hundred ninety-four million, four hundred ninety-two thousand, seven".