56012801 has 4 divisors (see below), whose sum is σ = 60321492. Its totient is φ = 51704112.

The previous prime is 56012791. The next prime is 56012809. The reversal of 56012801 is 10821065.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11723776 + 44289025 = 3424^2 + 6655^2 .

It is a cyclic number.

It is not a de Polignac number, because 56012801 - 2¹⁸ = 55750657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56012809) 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, 2154326 + ... + 2154351.

It is an arithmetic number, because the mean of its divisors is an integer number (15080373).

Almost surely, 2^56012801 is an apocalyptic number.

It is an amenable number.

56012801 is a deficient number, since it is larger than the sum of its proper divisors (4308691).

56012801 is a wasteful number, since it uses less digits than its factorization.

56012801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308690.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 56012801 is about 7484.1700274646. The cubic root of 56012801 is about 382.6153860384.

Adding to 56012801 its reverse (10821065), we get a palindrome (66833866).

It can be divided in two parts, 5601 and 2801, that multiplied together give a triangular number (15688401 = T₅₆₀₁).

The spelling of 56012801 in words is "fifty-six million, twelve thousand, eight hundred one".