56099473 has 4 divisors (see below), whose sum is σ = 59399460. Its totient is φ = 52799488.

The previous prime is 56099453. The next prime is 56099479. The reversal of 56099473 is 37499065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32353344 + 23746129 = 5688^2 + 4873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56099473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56099479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649968 + ... + 1650001.

It is an arithmetic number, because the mean of its divisors is an integer number (14849865).

Almost surely, 2^56099473 is an apocalyptic number.

It is an amenable number.

56099473 is a deficient number, since it is larger than the sum of its proper divisors (3299987).

56099473 is a wasteful number, since it uses less digits than its factorization.

56099473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299986.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 56099473 is about 7489.9581440753. The cubic root of 56099473 is about 382.8126323243.

The spelling of 56099473 in words is "fifty-six million, ninety-nine thousand, four hundred seventy-three".