56473657 has 2 divisors, whose sum is σ = 56473658. Its totient is φ = 56473656.

The previous prime is 56473633. The next prime is 56473777. The reversal of 56473657 is 75637465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55591936 + 881721 = 7456^2 + 939^2 .

It is a cyclic number.

It is not a de Polignac number, because 56473657 - 2¹¹ = 56471609 is a prime.

It is not a weakly prime, because it can be changed into another prime (56413657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28236828 + 28236829.

It is an arithmetic number, because the mean of its divisors is an integer number (28236829).

Almost surely, 2^56473657 is an apocalyptic number.

It is an amenable number.

56473657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56473657 is an equidigital number, since it uses as much as digits as its factorization.

56473657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 529200, while the sum is 43.

The square root of 56473657 is about 7514.8956745919. The cubic root of 56473657 is about 383.6618682340.

The spelling of 56473657 in words is "fifty-six million, four hundred seventy-three thousand, six hundred fifty-seven".