56473999 has 8 divisors (see below), whose sum is σ = 57050640. Its totient is φ = 55900416.

The previous prime is 56473987. The next prime is 56474009. The reversal of 56473999 is 99937465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56473999 - 2¹¹ = 56471951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56473199) 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 in 7 ways as a sum of consecutive naturals, for example, 54912 + ... + 55930.

It is an arithmetic number, because the mean of its divisors is an integer number (7131330).

Almost surely, 2^56473999 is an apocalyptic number.

56473999 is a deficient number, since it is larger than the sum of its proper divisors (576641).

56473999 is a wasteful number, since it uses less digits than its factorization.

56473999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529.

The product of its digits is 1837080, while the sum is 52.

The square root of 56473999 is about 7514.9184293644. The cubic root of 56473999 is about 383.6626427077.

The spelling of 56473999 in words is "fifty-six million, four hundred seventy-three thousand, nine hundred ninety-nine".