56764147 has 4 divisors (see below), whose sum is σ = 61924536. Its totient is φ = 51603760.

The previous prime is 56764091. The next prime is 56764151. The reversal of 56764147 is 74146765.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56764147 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (56764177) 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, 2580178 + ... + 2580199.

It is an arithmetic number, because the mean of its divisors is an integer number (15481134).

Almost surely, 2^56764147 is an apocalyptic number.

56764147 is a deficient number, since it is larger than the sum of its proper divisors (5160389).

56764147 is a wasteful number, since it uses less digits than its factorization.

56764147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160388.

The product of its digits is 141120, while the sum is 40.

The square root of 56764147 is about 7534.1984975178. The cubic root of 56764147 is about 384.3185719884.

The spelling of 56764147 in words is "fifty-six million, seven hundred sixty-four thousand, one hundred forty-seven".