56115001 has 2 divisors, whose sum is σ = 56115002. Its totient is φ = 56115000.

The previous prime is 56114987. The next prime is 56115013. The reversal of 56115001 is 10051165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39501225 + 16613776 = 6285^2 + 4076^2 .

It is a cyclic number.

It is not a de Polignac number, because 56115001 - 2⁷ = 56114873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56115001.

It is not a weakly prime, because it can be changed into another prime (56115071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28057500 + 28057501.

It is an arithmetic number, because the mean of its divisors is an integer number (28057501).

Almost surely, 2^56115001 is an apocalyptic number.

It is an amenable number.

56115001 is a deficient number, since it is larger than the sum of its proper divisors (1).

56115001 is an equidigital number, since it uses as much as digits as its factorization.

56115001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 56115001 is about 7490.9946602571. The cubic root of 56115001 is about 382.8479491515.

Adding to 56115001 its reverse (10051165), we get a palindrome (66166166).

The spelling of 56115001 in words is "fifty-six million, one hundred fifteen thousand, one".