56163549 has 16 divisors (see below), whose sum is σ = 81670400. Its totient is φ = 34122816.

The previous prime is 56163533. The next prime is 56163553. The reversal of 56163549 is 94536165.

It is not a de Polignac number, because 56163549 - 2⁴ = 56163533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 (56163049) 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 15 ways as a sum of consecutive naturals, for example, 6034 + ... + 12195.

It is an arithmetic number, because the mean of its divisors is an integer number (5104400).

Almost surely, 2^56163549 is an apocalyptic number.

It is an amenable number.

56163549 is a deficient number, since it is larger than the sum of its proper divisors (25506851).

56163549 is a wasteful number, since it uses less digits than its factorization.

56163549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324.

The product of its digits is 97200, while the sum is 39.

The square root of 56163549 is about 7494.2343838447. The cubic root of 56163549 is about 382.9583245379.

The spelling of 56163549 in words is "fifty-six million, one hundred sixty-three thousand, five hundred forty-nine".