57240541 has 4 divisors (see below), whose sum is σ = 58024732. Its totient is φ = 56456352.

The previous prime is 57240529. The next prime is 57240563. The reversal of 57240541 is 14504275.

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 14062500 + 43178041 = 3750^2 + 6571^2 .

It is a cyclic number.

It is not a de Polignac number, because 57240541 - 2¹⁷ = 57109469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57240571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391986 + ... + 392131.

It is an arithmetic number, because the mean of its divisors is an integer number (14506183).

Almost surely, 2^57240541 is an apocalyptic number.

It is an amenable number.

57240541 is a deficient number, since it is larger than the sum of its proper divisors (784191).

57240541 is an equidigital number, since it uses as much as digits as its factorization.

57240541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784190.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 57240541 is about 7565.7478810756. The cubic root of 57240541 is about 385.3907114709.

The spelling of 57240541 in words is "fifty-seven million, two hundred forty thousand, five hundred forty-one".