56851449 has 8 divisors (see below), whose sum is σ = 75840960. Its totient is φ = 37881456.

The previous prime is 56851441. The next prime is 56851453. The reversal of 56851449 is 94415865.

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

It is not a de Polignac number, because 56851449 - 2³ = 56851441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56851449.

It is not an unprimeable number, because it can be changed into a prime (56851441) 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, 4492 + ... + 11570.

It is an arithmetic number, because the mean of its divisors is an integer number (9480120).

Almost surely, 2^56851449 is an apocalyptic number.

It is an amenable number.

56851449 is a deficient number, since it is larger than the sum of its proper divisors (18989511).

56851449 is a wasteful number, since it uses less digits than its factorization.

56851449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9759.

The product of its digits is 172800, while the sum is 42.

The square root of 56851449 is about 7539.9899867308. The cubic root of 56851449 is about 384.5154955502.

The spelling of 56851449 in words is "fifty-six million, eight hundred fifty-one thousand, four hundred forty-nine".