56789407 has 2 divisors, whose sum is σ = 56789408. Its totient is φ = 56789406.

The previous prime is 56789399. The next prime is 56789419. The reversal of 56789407 is 70498765.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56789407 - 2³ = 56789399 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56789437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394703 + 28394704.

It is an arithmetic number, because the mean of its divisors is an integer number (28394704).

Almost surely, 2^56789407 is an apocalyptic number.

56789407 is a deficient number, since it is larger than the sum of its proper divisors (1).

56789407 is an equidigital number, since it uses as much as digits as its factorization.

56789407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 56789407 is about 7535.8746672168. The cubic root of 56789407 is about 384.3755706868.

The spelling of 56789407 in words is "fifty-six million, seven hundred eighty-nine thousand, four hundred seven".