56805747 has 8 divisors (see below), whose sum is σ = 76243200. Its totient is φ = 37619400.

The previous prime is 56805743. The next prime is 56805773. The reversal of 56805747 is 74750865.

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

It is not a de Polignac number, because 56805747 - 2² = 56805743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56805699 and 56805708.

It is not an unprimeable number, because it can be changed into a prime (56805743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62247 + ... + 63152.

It is an arithmetic number, because the mean of its divisors is an integer number (9530400).

Almost surely, 2^56805747 is an apocalyptic number.

56805747 is a deficient number, since it is larger than the sum of its proper divisors (19437453).

56805747 is a wasteful number, since it uses less digits than its factorization.

56805747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125553.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 56805747 is about 7536.9587367850. The cubic root of 56805747 is about 384.4124325763.

The spelling of 56805747 in words is "fifty-six million, eight hundred five thousand, seven hundred forty-seven".