56463989 has 8 divisors (see below), whose sum is σ = 58536960. Its totient is φ = 54406800.

The previous prime is 56463983. The next prime is 56464033. The reversal of 56463989 is 98936465.

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 56463989 - 2⁴ = 56463973 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56463983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3599 + ... + 11219.

It is an arithmetic number, because the mean of its divisors is an integer number (7317120).

Almost surely, 2^56463989 is an apocalyptic number.

It is an amenable number.

56463989 is a deficient number, since it is larger than the sum of its proper divisors (2072971).

56463989 is a wasteful number, since it uses less digits than its factorization.

56463989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7891.

The product of its digits is 1399680, while the sum is 50.

The square root of 56463989 is about 7514.2523912895. The cubic root of 56463989 is about 383.6399733375.

The spelling of 56463989 in words is "fifty-six million, four hundred sixty-three thousand, nine hundred eighty-nine".