56041537 has 4 divisors (see below), whose sum is σ = 59338116. Its totient is φ = 52744960.

The previous prime is 56041463. The next prime is 56041549. The reversal of 56041537 is 73514065.

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 41873841 + 14167696 = 6471^2 + 3764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56041537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56041499 and 56041508.

It is not an unprimeable number, because it can be changed into a prime (56042537) 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, 1648264 + ... + 1648297.

It is an arithmetic number, because the mean of its divisors is an integer number (14834529).

Almost surely, 2^56041537 is an apocalyptic number.

It is an amenable number.

56041537 is a deficient number, since it is larger than the sum of its proper divisors (3296579).

56041537 is a wasteful number, since it uses less digits than its factorization.

56041537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296578.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 56041537 is about 7486.0895666563. The cubic root of 56041537 is about 382.6808053464.

The spelling of 56041537 in words is "fifty-six million, forty-one thousand, five hundred thirty-seven".