56502003 has 16 divisors (see below), whose sum is σ = 76665600. Its totient is φ = 37009440.

The previous prime is 56501969. The next prime is 56502011. The reversal of 56502003 is 30020565.

It is not a de Polignac number, because 56502003 - 2⁹ = 56501491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56503003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42178 + ... + 43496.

It is an arithmetic number, because the mean of its divisors is an integer number (4791600).

Almost surely, 2^56502003 is an apocalyptic number.

56502003 is a deficient number, since it is larger than the sum of its proper divisors (20163597).

56502003 is a wasteful number, since it uses less digits than its factorization.

56502003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 56502003 is about 7516.7814255837. The cubic root of 56502003 is about 383.7260483659.

Adding to 56502003 its reverse (30020565), we get a palindrome (86522568).

The spelling of 56502003 in words is "fifty-six million, five hundred two thousand, three".