56419847 has 4 divisors (see below), whose sum is σ = 61548936. Its totient is φ = 51290760.

The previous prime is 56419843. The next prime is 56419861. The reversal of 56419847 is 74891465.

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 56419847 - 2² = 56419843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56419798 and 56419807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56419843) 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, 2564528 + ... + 2564549.

It is an arithmetic number, because the mean of its divisors is an integer number (15387234).

Almost surely, 2^56419847 is an apocalyptic number.

56419847 is a deficient number, since it is larger than the sum of its proper divisors (5129089).

56419847 is a wasteful number, since it uses less digits than its factorization.

56419847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129088.

The product of its digits is 241920, while the sum is 44.

The square root of 56419847 is about 7511.3145986571. The cubic root of 56419847 is about 383.5399741998.

The spelling of 56419847 in words is "fifty-six million, four hundred nineteen thousand, eight hundred forty-seven".