56112503 has 2 divisors, whose sum is σ = 56112504. Its totient is φ = 56112502.

The previous prime is 56112451. The next prime is 56112509. The reversal of 56112503 is 30521165.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56112503 - 2⁶ = 56112439 is a prime.

It is a super-2 number, since 2×56112503² = 6297225985850018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56112509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28056251 + 28056252.

It is an arithmetic number, because the mean of its divisors is an integer number (28056252).

Almost surely, 2^56112503 is an apocalyptic number.

56112503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56112503 is an equidigital number, since it uses as much as digits as its factorization.

56112503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 56112503 is about 7490.8279248692. The cubic root of 56112503 is about 382.8422681491.

Adding to 56112503 its reverse (30521165), we get a palindrome (86633668).

The spelling of 56112503 in words is "fifty-six million, one hundred twelve thousand, five hundred three".