57147381337 has 8 divisors (see below), whose sum is σ = 58089539720. Its totient is φ = 56205394560.

The previous prime is 57147381331. The next prime is 57147381349. The reversal of 57147381337 is 73318374175.

It can be written as a sum of positive squares in 4 ways, for example, as 2267759641 + 54879621696 = 47621^2 + 234264^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 57147381337 - 2²⁷ = 57013163609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57147381331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 747589 + ... + 820477.

It is an arithmetic number, because the mean of its divisors is an integer number (7261192465).

Almost surely, 2^57147381337 is an apocalyptic number.

It is an amenable number.

57147381337 is a deficient number, since it is larger than the sum of its proper divisors (942158383).

57147381337 is a wasteful number, since it uses less digits than its factorization.

57147381337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85803.

The product of its digits is 1481760, while the sum is 49.

The spelling of 57147381337 in words is "fifty-seven billion, one hundred forty-seven million, three hundred eighty-one thousand, three hundred thirty-seven".