56503004 has 6 divisors (see below), whose sum is σ = 98880264. Its totient is φ = 28251500.

The previous prime is 56503003. The next prime is 56503081. The reversal of 56503004 is 40030565.

It is a super-2 number, since 2×56503004² = 6385178922048032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56503001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7062872 + ... + 7062879.

It is an arithmetic number, because the mean of its divisors is an integer number (16480044).

Almost surely, 2^56503004 is an apocalyptic number.

It is an amenable number.

56503004 is a deficient number, since it is larger than the sum of its proper divisors (42377260).

56503004 is a wasteful number, since it uses less digits than its factorization.

56503004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14125755 (or 14125753 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 56503004 is about 7516.8480096381. The cubic root of 56503004 is about 383.7283144066.

Adding to 56503004 its reverse (40030565), we get a palindrome (96533569).

The spelling of 56503004 in words is "fifty-six million, five hundred three thousand, four".