56547869 has 8 divisors (see below), whose sum is σ = 67436160. Its totient is φ = 46362096.

The previous prime is 56547863. The next prime is 56547871. The reversal of 56547869 is 96874565.

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 56547869 - 2¹⁶ = 56482333 is a prime.

It is a super-2 number, since 2×56547869² = 6395322976882322, which contains 22 as substring.

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 (56547863) 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, 175454 + ... + 175775.

It is an arithmetic number, because the mean of its divisors is an integer number (8429520).

Almost surely, 2^56547869 is an apocalyptic number.

It is an amenable number.

56547869 is a deficient number, since it is larger than the sum of its proper divisors (10888291).

56547869 is a wasteful number, since it uses less digits than its factorization.

56547869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351259.

The product of its digits is 1814400, while the sum is 50.

The square root of 56547869 is about 7519.8317135425. The cubic root of 56547869 is about 383.8298512864.

The spelling of 56547869 in words is "fifty-six million, five hundred forty-seven thousand, eight hundred sixty-nine".