56521041 has 16 divisors (see below), whose sum is σ = 76723200. Its totient is φ = 37004240.

The previous prime is 56521037. The next prime is 56521057. The reversal of 56521041 is 14012565.

It is a cyclic number.

It is not a de Polignac number, because 56521041 - 2² = 56521037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56521061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94060 + ... + 94658.

It is an arithmetic number, because the mean of its divisors is an integer number (4795200).

Almost surely, 2^56521041 is an apocalyptic number.

It is an amenable number.

56521041 is a deficient number, since it is larger than the sum of its proper divisors (20202159).

56521041 is a wasteful number, since it uses less digits than its factorization.

56521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 56521041 is about 7518.0476854034. The cubic root of 56521041 is about 383.7691415648.

The spelling of 56521041 in words is "fifty-six million, five hundred twenty-one thousand, forty-one".