56907047 has 4 divisors (see below), whose sum is σ = 57429240. Its totient is φ = 56384856.

The previous prime is 56907023. The next prime is 56907061. The reversal of 56907047 is 74070965.

56907047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56907047 - 2¹⁰ = 56906023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56907047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56907547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260933 + ... + 261150.

It is an arithmetic number, because the mean of its divisors is an integer number (14357310).

Almost surely, 2^56907047 is an apocalyptic number.

56907047 is a deficient number, since it is larger than the sum of its proper divisors (522193).

56907047 is a wasteful number, since it uses less digits than its factorization.

56907047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522192.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 56907047 is about 7543.6759606971. The cubic root of 56907047 is about 384.6408006374.

The spelling of 56907047 in words is "fifty-six million, nine hundred seven thousand, forty-seven".