56538705 has 8 divisors (see below), whose sum is σ = 90461952. Its totient is φ = 30153968.

The previous prime is 56538659. The next prime is 56538721. The reversal of 56538705 is 50783565.

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 56538705 - 2¹⁰ = 56537681 is a prime.

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, 1884609 + ... + 1884638.

It is an arithmetic number, because the mean of its divisors is an integer number (11307744).

Almost surely, 2^56538705 is an apocalyptic number.

It is an amenable number.

56538705 is a deficient number, since it is larger than the sum of its proper divisors (33923247).

56538705 is a wasteful number, since it uses less digits than its factorization.

56538705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769255.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 56538705 is about 7519.2223667079. Note that the first 3 decimals coincide. The cubic root of 56538705 is about 383.8091160117.

The spelling of 56538705 in words is "fifty-six million, five hundred thirty-eight thousand, seven hundred five".