47656499 has 4 divisors (see below), whose sum is σ = 51988920. Its totient is φ = 43324080.

The previous prime is 47656493. The next prime is 47656561. The reversal of 47656499 is 99465674.

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

It is a cyclic number.

It is not a de Polignac number, because 47656499 - 2¹² = 47652403 is a prime.

It is a super-2 number, since 2×47656499² = 4542283793874002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47656493) 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, 2166194 + ... + 2166215.

It is an arithmetic number, because the mean of its divisors is an integer number (12997230).

Almost surely, 2^47656499 is an apocalyptic number.

47656499 is a deficient number, since it is larger than the sum of its proper divisors (4332421).

47656499 is a wasteful number, since it uses less digits than its factorization.

47656499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4332420.

The product of its digits is 1632960, while the sum is 50.

The square root of 47656499 is about 6903.3686704391. The cubic root of 47656499 is about 362.5551218595. Note that the first 3 decimals are identical.

The spelling of 47656499 in words is "forty-seven million, six hundred fifty-six thousand, four hundred ninety-nine".