505455607 has 2 divisors, whose sum is σ = 505455608. Its totient is φ = 505455606.

The previous prime is 505455581. The next prime is 505455617. The reversal of 505455607 is 706554505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505455607 - 2⁷ = 505455479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505455617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252727803 + 252727804.

It is an arithmetic number, because the mean of its divisors is an integer number (252727804).

Almost surely, 2^505455607 is an apocalyptic number.

505455607 is a deficient number, since it is larger than the sum of its proper divisors (1).

505455607 is an equidigital number, since it uses as much as digits as its factorization.

505455607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 505455607 is about 22482.3398915682. The cubic root of 505455607 is about 796.5768353006.

The spelling of 505455607 in words is "five hundred five million, four hundred fifty-five thousand, six hundred seven".