56651423 has 2 divisors, whose sum is σ = 56651424. Its totient is φ = 56651422.

The previous prime is 56651417. The next prime is 56651443. The reversal of 56651423 is 32415665.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56651423 - 2⁶ = 56651359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56651423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56651443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28325711 + 28325712.

It is an arithmetic number, because the mean of its divisors is an integer number (28325712).

Almost surely, 2^56651423 is an apocalyptic number.

56651423 is a deficient number, since it is larger than the sum of its proper divisors (1).

56651423 is an equidigital number, since it uses as much as digits as its factorization.

56651423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 56651423 is about 7526.7139576312. The cubic root of 56651423 is about 384.0640061673.

The spelling of 56651423 in words is "fifty-six million, six hundred fifty-one thousand, four hundred twenty-three".