57520241 has 4 divisors (see below), whose sum is σ = 57609792. Its totient is φ = 57430692.

The previous prime is 57520219. The next prime is 57520249. The reversal of 57520241 is 14202575.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57520241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 57520241.

It is not an unprimeable number, because it can be changed into a prime (57520249) 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, 43805 + ... + 45098.

It is an arithmetic number, because the mean of its divisors is an integer number (14402448).

Almost surely, 2^57520241 is an apocalyptic number.

It is an amenable number.

57520241 is a deficient number, since it is larger than the sum of its proper divisors (89551).

57520241 is an equidigital number, since it uses as much as digits as its factorization.

57520241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89550.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57520241 is about 7584.2099786332. The cubic root of 57520241 is about 386.0174157892.

The spelling of 57520241 in words is "fifty-seven million, five hundred twenty thousand, two hundred forty-one".