55625671 has 2 divisors, whose sum is σ = 55625672. Its totient is φ = 55625670.

The previous prime is 55625663. The next prime is 55625681. The reversal of 55625671 is 17652655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55625671 - 2³ = 55625663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55625671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55625641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27812835 + 27812836.

It is an arithmetic number, because the mean of its divisors is an integer number (27812836).

Almost surely, 2^55625671 is an apocalyptic number.

55625671 is a deficient number, since it is larger than the sum of its proper divisors (1).

55625671 is an equidigital number, since it uses as much as digits as its factorization.

55625671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 55625671 is about 7458.2619288947. The cubic root of 55625671 is about 381.7318709961.

The spelling of 55625671 in words is "fifty-five million, six hundred twenty-five thousand, six hundred seventy-one".