56190503 has 2 divisors, whose sum is σ = 56190504. Its totient is φ = 56190502.

The previous prime is 56190473. The next prime is 56190539. The reversal of 56190503 is 30509165.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56190503 - 2⁶ = 56190439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56190553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28095251 + 28095252.

It is an arithmetic number, because the mean of its divisors is an integer number (28095252).

Almost surely, 2^56190503 is an apocalyptic number.

56190503 is a deficient number, since it is larger than the sum of its proper divisors (1).

56190503 is an equidigital number, since it uses as much as digits as its factorization.

56190503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 56190503 is about 7496.0324839211. The cubic root of 56190503 is about 383.0195778361.

Adding to 56190503 its reverse (30509165), we get a palindrome (86699668).

The spelling of 56190503 in words is "fifty-six million, one hundred ninety thousand, five hundred three".