56799945 has 12 divisors (see below), whose sum is σ = 98453316. Its totient is φ = 30293280.

The previous prime is 56799943. The next prime is 56799959. The reversal of 56799945 is 54999765.

56799945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 21123216 + 35676729 = 4596^2 + 5973^2 .

It is not a de Polignac number, because 56799945 - 2¹ = 56799943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56799891 and 56799900.

It is not an unprimeable number, because it can be changed into a prime (56799943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631066 + ... + 631155.

It is an arithmetic number, because the mean of its divisors is an integer number (8204443).

Almost surely, 2^56799945 is an apocalyptic number.

It is an amenable number.

56799945 is a deficient number, since it is larger than the sum of its proper divisors (41653371).

56799945 is a wasteful number, since it uses less digits than its factorization.

56799945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262232 (or 1262229 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 56799945 is about 7536.5738236947. The cubic root of 56799945 is about 384.3993444823.

The spelling of 56799945 in words is "fifty-six million, seven hundred ninety-nine thousand, nine hundred forty-five".