56819049 has 16 divisors (see below), whose sum is σ = 91675008. Its totient is φ = 30557952.

The previous prime is 56819041. The next prime is 56819051. The reversal of 56819049 is 94091865.

It is not a de Polignac number, because 56819049 - 2³ = 56819041 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 56819049.

It is not an unprimeable number, because it can be changed into a prime (56819041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79222 + ... + 79935.

It is an arithmetic number, because the mean of its divisors is an integer number (5729688).

Almost surely, 2^56819049 is an apocalyptic number.

It is an amenable number.

56819049 is a deficient number, since it is larger than the sum of its proper divisors (34855959).

56819049 is a wasteful number, since it uses less digits than its factorization.

56819049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159184.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 56819049 is about 7537.8411365589. The cubic root of 56819049 is about 384.4424357325.

The spelling of 56819049 in words is "fifty-six million, eight hundred nineteen thousand, forty-nine".