56398607 has 2 divisors, whose sum is σ = 56398608. Its totient is φ = 56398606.

The previous prime is 56398603. The next prime is 56398609. The reversal of 56398607 is 70689365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56398607 - 2² = 56398603 is a prime.

Together with 56398609, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56398603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28199303 + 28199304.

It is an arithmetic number, because the mean of its divisors is an integer number (28199304).

Almost surely, 2^56398607 is an apocalyptic number.

56398607 is a deficient number, since it is larger than the sum of its proper divisors (1).

56398607 is an equidigital number, since it uses as much as digits as its factorization.

56398607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 56398607 is about 7509.9005985432. The cubic root of 56398607 is about 383.4918385881.

The spelling of 56398607 in words is "fifty-six million, three hundred ninety-eight thousand, six hundred seven".