56958905 has 8 divisors (see below), whose sum is σ = 68408712. Its totient is φ = 45528448.

The previous prime is 56958887. The next prime is 56958917. The reversal of 56958905 is 50985965.

It can be written as a sum of positive squares in 4 ways, for example, as 40806544 + 16152361 = 6388^2 + 4019^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56958905 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 56958905.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2717 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (8551089).

Almost surely, 2^56958905 is an apocalyptic number.

It is an amenable number.

56958905 is a deficient number, since it is larger than the sum of its proper divisors (11449807).

56958905 is a wasteful number, since it uses less digits than its factorization.

56958905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 56958905 is about 7547.1123616917. The cubic root of 56958905 is about 384.7576030826.

The spelling of 56958905 in words is "fifty-six million, nine hundred fifty-eight thousand, nine hundred five".