55651005671 has 2 divisors, whose sum is σ = 55651005672. Its totient is φ = 55651005670.

The previous prime is 55651005649. The next prime is 55651005677. The reversal of 55651005671 is 17650015655.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55651005671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55651005677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27825502835 + 27825502836.

It is an arithmetic number, because the mean of its divisors is an integer number (27825502836).

Almost surely, 2^55651005671 is an apocalyptic number.

55651005671 is a deficient number, since it is larger than the sum of its proper divisors (1).

55651005671 is an equidigital number, since it uses as much as digits as its factorization.

55651005671 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 41.

The spelling of 55651005671 in words is "fifty-five billion, six hundred fifty-one million, five thousand, six hundred seventy-one".