56532403 has 8 divisors (see below), whose sum is σ = 57098672. Its totient is φ = 55969056.

The previous prime is 56532383. The next prime is 56532409. The reversal of 56532403 is 30423565.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56532403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56532409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61876 + ... + 62782.

It is an arithmetic number, because the mean of its divisors is an integer number (7137334).

Almost surely, 2^56532403 is an apocalyptic number.

56532403 is a deficient number, since it is larger than the sum of its proper divisors (566269).

56532403 is a wasteful number, since it uses less digits than its factorization.

56532403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 56532403 is about 7518.8032957380. The cubic root of 56532403 is about 383.7948552505.

Adding to 56532403 its reverse (30423565), we get a palindrome (86955968).

The spelling of 56532403 in words is "fifty-six million, five hundred thirty-two thousand, four hundred three".