56002347 has 20 divisors (see below), whose sum is σ = 84438640. Its totient is φ = 36986544.

The previous prime is 56002339. The next prime is 56002357. The reversal of 56002347 is 74320065.

It is a happy number.

It is not a de Polignac number, because 56002347 - 2³ = 56002339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56002347.

It is not an unprimeable number, because it can be changed into a prime (56002357) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5658 + ... + 12000.

It is an arithmetic number, because the mean of its divisors is an integer number (4221932).

Almost surely, 2^56002347 is an apocalyptic number.

56002347 is a deficient number, since it is larger than the sum of its proper divisors (28436293).

56002347 is a wasteful number, since it uses less digits than its factorization.

56002347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464 (or 6455 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 56002347 is about 7483.4715874385. The cubic root of 56002347 is about 382.5915813006.

The spelling of 56002347 in words is "fifty-six million, two thousand, three hundred forty-seven".