56345530 has 8 divisors (see below), whose sum is σ = 101421972. Its totient is φ = 22538208.

The previous prime is 56345503. The next prime is 56345533. The reversal of 56345530 is 3554365.

It can be written as a sum of positive squares in 2 ways, for example, as 53626329 + 2719201 = 7323^2 + 1649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 56345492 and 56345501.

It is not an unprimeable number, because it can be changed into a prime (56345533) 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, 2817267 + ... + 2817286.

Almost surely, 2^56345530 is an apocalyptic number.

56345530 is a deficient number, since it is larger than the sum of its proper divisors (45076442).

56345530 is a wasteful number, since it uses less digits than its factorization.

56345530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634560.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 56345530 is about 7506.3659649660. The cubic root of 56345530 is about 383.3714988255.

Adding to 56345530 its reverse (3554365), we get a palindrome (59899895).

The spelling of 56345530 in words is "fifty-six million, three hundred forty-five thousand, five hundred thirty".