57242463805 has 4 divisors (see below), whose sum is σ = 68690956572. Its totient is φ = 45793971040.

The previous prime is 57242463799. The next prime is 57242463833. The reversal of 57242463805 is 50836424275.

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 7444756089 + 49797707716 = 86283^2 + 223154^2 .

It is not a de Polignac number, because 57242463805 - 2¹⁷ = 57242332733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724246376 + ... + 5724246385.

It is an arithmetic number, because the mean of its divisors is an integer number (17172739143).

Almost surely, 2^57242463805 is an apocalyptic number.

It is an amenable number.

57242463805 is a deficient number, since it is larger than the sum of its proper divisors (11448492767).

57242463805 is a wasteful number, since it uses less digits than its factorization.

57242463805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448492766.

The product of its (nonzero) digits is 1612800, while the sum is 46.

The spelling of 57242463805 in words is "fifty-seven billion, two hundred forty-two million, four hundred sixty-three thousand, eight hundred five".