56125503 has 12 divisors (see below), whose sum is σ = 92651728. Its totient is φ = 32071680.

The previous prime is 56125499. The next prime is 56125519. The reversal of 56125503 is 30552165.

It is not a de Polignac number, because 56125503 - 2² = 56125499 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 (56125583) 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, 445378 + ... + 445503.

Almost surely, 2^56125503 is an apocalyptic number.

56125503 is a deficient number, since it is larger than the sum of its proper divisors (36526225).

56125503 is a wasteful number, since it uses less digits than its factorization.

56125503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890894 (or 890891 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 56125503 is about 7491.6956024654. The cubic root of 56125503 is about 382.8718311693.

Adding to 56125503 its reverse (30552165), we get a palindrome (86677668).

The spelling of 56125503 in words is "fifty-six million, one hundred twenty-five thousand, five hundred three".