56473013 has 2 divisors, whose sum is σ = 56473014. Its totient is φ = 56473012.

The previous prime is 56472973. The next prime is 56473033. The reversal of 56473013 is 31037465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56220004 + 253009 = 7498^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 56473013 - 2¹⁴ = 56456629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56473033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236506 + 28236507.

It is an arithmetic number, because the mean of its divisors is an integer number (28236507).

Almost surely, 2^56473013 is an apocalyptic number.

It is an amenable number.

56473013 is a deficient number, since it is larger than the sum of its proper divisors (1).

56473013 is an equidigital number, since it uses as much as digits as its factorization.

56473013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 56473013 is about 7514.8528262369. The cubic root of 56473013 is about 383.6604098597.

The spelling of 56473013 in words is "fifty-six million, four hundred seventy-three thousand, thirteen".