56153305 has 8 divisors (see below), whose sum is σ = 72567432. Its totient is φ = 41467008.

The previous prime is 56153291. The next prime is 56153323. The reversal of 56153305 is 50335165.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3779136 + 52374169 = 1944^2 + 7237^2 .

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 56153305 - 2⁹ = 56152793 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

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, 431884 + ... + 432013.

It is an arithmetic number, because the mean of its divisors is an integer number (9070929).

Almost surely, 2^56153305 is an apocalyptic number.

It is an amenable number.

56153305 is a deficient number, since it is larger than the sum of its proper divisors (16414127).

56153305 is a wasteful number, since it uses less digits than its factorization.

56153305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863915.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 56153305 is about 7493.5508939354. The cubic root of 56153305 is about 382.9350397819.

The spelling of 56153305 in words is "fifty-six million, one hundred fifty-three thousand, three hundred five".