56841521 has 8 divisors (see below), whose sum is σ = 65272800. Its totient is φ = 48954240.

The previous prime is 56841497. The next prime is 56841529. The reversal of 56841521 is 12514865.

56841521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56841521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56841529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135776 + ... + 136193.

It is an arithmetic number, because the mean of its divisors is an integer number (8159100).

Almost surely, 2^56841521 is an apocalyptic number.

It is an amenable number.

56841521 is a deficient number, since it is larger than the sum of its proper divisors (8431279).

56841521 is a wasteful number, since it uses less digits than its factorization.

56841521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271999.

The product of its digits is 9600, while the sum is 32.

The square root of 56841521 is about 7539.3316016740. The cubic root of 56841521 is about 384.4931115292.

The spelling of 56841521 in words is "fifty-six million, eight hundred forty-one thousand, five hundred twenty-one".