56738869 has 8 divisors (see below), whose sum is σ = 62769600. Its totient is φ = 50853600.

The previous prime is 56738867. The next prime is 56738881. The reversal of 56738869 is 96883765.

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 56738869 - 2¹ = 56738867 is a prime.

It is a super-2 number, since 2×56738869² = 6438598510798322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56738863) 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, 35544 + ... + 37105.

It is an arithmetic number, because the mean of its divisors is an integer number (7846200).

Almost surely, 2^56738869 is an apocalyptic number.

It is an amenable number.

56738869 is a deficient number, since it is larger than the sum of its proper divisors (6030731).

56738869 is a wasteful number, since it uses less digits than its factorization.

56738869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72731.

The product of its digits is 2177280, while the sum is 52.

The square root of 56738869 is about 7532.5207600112. The cubic root of 56738869 is about 384.2615157432.

Subtracting 56738869 from its reverse (96883765), we obtain a square (40144896 = 6336²).

The spelling of 56738869 in words is "fifty-six million, seven hundred thirty-eight thousand, eight hundred sixty-nine".