55642551703 has 2 divisors, whose sum is σ = 55642551704. Its totient is φ = 55642551702.

The previous prime is 55642551667. The next prime is 55642551721. The reversal of 55642551703 is 30715524655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55642551703 - 2²⁵ = 55608997271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55642551703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55642552703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27821275851 + 27821275852.

It is an arithmetic number, because the mean of its divisors is an integer number (27821275852).

Almost surely, 2^55642551703 is an apocalyptic number.

55642551703 is a deficient number, since it is larger than the sum of its proper divisors (1).

55642551703 is an equidigital number, since it uses as much as digits as its factorization.

55642551703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 55642551703 in words is "fifty-five billion, six hundred forty-two million, five hundred fifty-one thousand, seven hundred three".