57039291241 has 3 divisors (see below), whose sum is σ = 57039530071. Its totient is φ = 57039052412.

The previous prime is 57039291203. The next prime is 57039291271. The reversal of 57039291241 is 14219293075.

The square root of 57039291241 is 238829.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 24718442841 + 32320848400 = 157221^2 + 179780^2 .

It is not a de Polignac number, because 57039291241 - 2²¹ = 57037194089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57039291271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 119415 + ... + 358243.

Almost surely, 2^57039291241 is an apocalyptic number.

57039291241 is the 238829-th square number.

57039291241 is the 119415-th centered octagonal number.

It is an amenable number.

57039291241 is a deficient number, since it is larger than the sum of its proper divisors (238830).

57039291241 is an frugal number, since it uses more digits than its factorization.

57039291241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477658 (or 238829 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The spelling of 57039291241 in words is "fifty-seven billion, thirty-nine million, two hundred ninety-one thousand, two hundred forty-one".