56144503 has 12 divisors (see below), whose sum is σ = 59619720. Its totient is φ = 52831440.

The previous prime is 56144497. The next prime is 56144507. The reversal of 56144503 is 30544165.

It is not a de Polignac number, because 56144503 - 2¹⁷ = 56013431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56144507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34768 + ... + 36346.

It is an arithmetic number, because the mean of its divisors is an integer number (4968310).

Almost surely, 2^56144503 is an apocalyptic number.

56144503 is a deficient number, since it is larger than the sum of its proper divisors (3475217).

56144503 is a wasteful number, since it uses less digits than its factorization.

56144503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1647 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 56144503 is about 7492.9635659063. The cubic root of 56144503 is about 382.9150304500.

Adding to 56144503 its reverse (30544165), we get a palindrome (86688668).

The spelling of 56144503 in words is "fifty-six million, one hundred forty-four thousand, five hundred three".