56391301 has 2 divisors, whose sum is σ = 56391302. Its totient is φ = 56391300.

The previous prime is 56391299. The next prime is 56391337. The reversal of 56391301 is 10319365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51854401 + 4536900 = 7201^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 56391301 - 2¹ = 56391299 is a prime.

Together with 56391299, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56391301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56391371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28195650 + 28195651.

It is an arithmetic number, because the mean of its divisors is an integer number (28195651).

Almost surely, 2^56391301 is an apocalyptic number.

It is an amenable number.

56391301 is a deficient number, since it is larger than the sum of its proper divisors (1).

56391301 is an equidigital number, since it uses as much as digits as its factorization.

56391301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 56391301 is about 7509.4141582416. The cubic root of 56391301 is about 383.4752784133.

The spelling of 56391301 in words is "fifty-six million, three hundred ninety-one thousand, three hundred one".