56643047 has 8 divisors (see below), whose sum is σ = 59751600. Its totient is φ = 53547264.

The previous prime is 56643023. The next prime is 56643113. The reversal of 56643047 is 74034665.

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 56643047 - 2⁸ = 56642791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56642998 and 56643016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56643947) 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, 6743 + ... + 12599.

It is an arithmetic number, because the mean of its divisors is an integer number (7468950).

Almost surely, 2^56643047 is an apocalyptic number.

56643047 is a deficient number, since it is larger than the sum of its proper divisors (3108553).

56643047 is a wasteful number, since it uses less digits than its factorization.

56643047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6385.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 56643047 is about 7526.1575189468. The cubic root of 56643047 is about 384.0450770831.

The spelling of 56643047 in words is "fifty-six million, six hundred forty-three thousand, forty-seven".