56113801 has 4 divisors (see below), whose sum is σ = 56424004. Its totient is φ = 55803600.

The previous prime is 56113777. The next prime is 56113831. The reversal of 56113801 is 10831165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10831165 = 5 ⋅2166233.

It can be written as a sum of positive squares in 2 ways, for example, as 19571776 + 36542025 = 4424^2 + 6045^2 .

It is a cyclic number.

It is not a de Polignac number, because 56113801 - 2¹¹ = 56111753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56113831) 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, 154830 + ... + 155191.

It is an arithmetic number, because the mean of its divisors is an integer number (14106001).

Almost surely, 2^56113801 is an apocalyptic number.

It is an amenable number.

56113801 is a deficient number, since it is larger than the sum of its proper divisors (310203).

56113801 is a wasteful number, since it uses less digits than its factorization.

56113801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310202.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 56113801 is about 7490.9145636564. The cubic root of 56113801 is about 382.8452201081.

Adding to 56113801 its reverse (10831165), we get a palindrome (66944966).

The spelling of 56113801 in words is "fifty-six million, one hundred thirteen thousand, eight hundred one".