56219847 has 4 divisors (see below), whose sum is σ = 74959800. Its totient is φ = 37479896.

The previous prime is 56219831. The next prime is 56219869. The reversal of 56219847 is 74891265.

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 56219847 - 2⁴ = 56219831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56219799 and 56219808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56219827) 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, 9369972 + ... + 9369977.

It is an arithmetic number, because the mean of its divisors is an integer number (18739950).

Almost surely, 2^56219847 is an apocalyptic number.

56219847 is a deficient number, since it is larger than the sum of its proper divisors (18739953).

56219847 is a wasteful number, since it uses less digits than its factorization.

56219847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18739952.

The product of its digits is 120960, while the sum is 42.

The square root of 56219847 is about 7497.9895305342. The cubic root of 56219847 is about 383.0862401721.

The spelling of 56219847 in words is "fifty-six million, two hundred nineteen thousand, eight hundred forty-seven".