56867953 has 4 divisors (see below), whose sum is σ = 57020788. Its totient is φ = 56715120.

The previous prime is 56867939. The next prime is 56867957. The reversal of 56867953 is 35976865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35976865 = 5 ⋅7195373.

It can be written as a sum of positive squares in 2 ways, for example, as 47430769 + 9437184 = 6887^2 + 3072^2 .

It is a cyclic number.

It is not a de Polignac number, because 56867953 - 2²¹ = 54770801 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56867897 and 56867906.

It is not an unprimeable number, because it can be changed into a prime (56867957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75858 + ... + 76603.

It is an arithmetic number, because the mean of its divisors is an integer number (14255197).

Almost surely, 2^56867953 is an apocalyptic number.

It is an amenable number.

56867953 is a deficient number, since it is larger than the sum of its proper divisors (152835).

56867953 is a wasteful number, since it uses less digits than its factorization.

56867953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152834.

The product of its digits is 1360800, while the sum is 49.

The square root of 56867953 is about 7541.0843384755. The cubic root of 56867953 is about 384.5527002879.

The spelling of 56867953 in words is "fifty-six million, eight hundred sixty-seven thousand, nine hundred fifty-three".