56489403 has 8 divisors (see below), whose sum is σ = 78594048. Its totient is φ = 36022184.

The previous prime is 56489399. The next prime is 56489429. The reversal of 56489403 is 30498465.

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

It is a cyclic number.

It is not a de Polignac number, because 56489403 - 2² = 56489399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56489483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409275 + ... + 409412.

It is an arithmetic number, because the mean of its divisors is an integer number (9824256).

Almost surely, 2^56489403 is an apocalyptic number.

56489403 is a deficient number, since it is larger than the sum of its proper divisors (22104645).

56489403 is a wasteful number, since it uses less digits than its factorization.

56489403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818713.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 56489403 is about 7515.9432541764. The cubic root of 56489403 is about 383.6975224884.

It can be divided in two parts, 5648 and 9403, that added together give a palindrome (15051).

The spelling of 56489403 in words is "fifty-six million, four hundred eighty-nine thousand, four hundred three".