56954857 has 4 divisors (see below), whose sum is σ = 57060676. Its totient is φ = 56849040.

The previous prime is 56954797. The next prime is 56954861. The reversal of 56954857 is 75845965.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25190361 + 31764496 = 5019^2 + 5636^2 .

It is a cyclic number.

It is not a de Polignac number, because 56954857 - 2¹¹ = 56952809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56954857.

It is not an unprimeable number, because it can be changed into a prime (56954957) 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, 52098 + ... + 53179.

It is an arithmetic number, because the mean of its divisors is an integer number (14265169).

Almost surely, 2^56954857 is an apocalyptic number.

It is an amenable number.

56954857 is a deficient number, since it is larger than the sum of its proper divisors (105819).

56954857 is a wasteful number, since it uses less digits than its factorization.

56954857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105818.

The product of its digits is 1512000, while the sum is 49.

The square root of 56954857 is about 7546.8441748853. The cubic root of 56954857 is about 384.7484881153.

The spelling of 56954857 in words is "fifty-six million, nine hundred fifty-four thousand, eight hundred fifty-seven".