56035720 has 32 divisors (see below), whose sum is σ = 135780120. Its totient is φ = 20689920.

The previous prime is 56035711. The next prime is 56035729. The reversal of 56035720 is 2753065.

It is an interprime number because it is at equal distance from previous prime (56035711) and next prime (56035729).

It can be written as a sum of positive squares in 4 ways, for example, as 31651876 + 24383844 = 5626^2 + 4938^2 .

It is not an unprimeable number, because it can be changed into a prime (56035729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53361 + ... + 54400.

Almost surely, 2^56035720 is an apocalyptic number.

It is an amenable number.

56035720 is an abundant number, since it is smaller than the sum of its proper divisors (79744400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56035720 is a wasteful number, since it uses less digits than its factorization.

56035720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107785 (or 107781 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 56035720 is about 7485.7010359752. The cubic root of 56035720 is about 382.6675643863.

Adding to 56035720 its reverse (2753065), we get a palindrome (58788785).

The spelling of 56035720 in words is "fifty-six million, thirty-five thousand, seven hundred twenty".