56953805 has 8 divisors (see below), whose sum is σ = 68562072. Its totient is φ = 45418048.

The previous prime is 56953781. The next prime is 56953817. The reversal of 56953805 is 50835965.

It can be written as a sum of positive squares in 4 ways, for example, as 1406596 + 55547209 = 1186^2 + 7453^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56953805 - 2²⁰ = 55905229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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, 16382 + ... + 19551.

It is an arithmetic number, because the mean of its divisors is an integer number (8570259).

Almost surely, 2^56953805 is an apocalyptic number.

It is an amenable number.

56953805 is a deficient number, since it is larger than the sum of its proper divisors (11608267).

56953805 is a wasteful number, since it uses less digits than its factorization.

56953805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36255.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 56953805 is about 7546.7744765562. The cubic root of 56953805 is about 384.7461192339.

The spelling of 56953805 in words is "fifty-six million, nine hundred fifty-three thousand, eight hundred five".