57047282690 has 8 divisors (see below), whose sum is σ = 102685108860. Its totient is φ = 22818913072.

The previous prime is 57047282689. The next prime is 57047282693. The reversal of 57047282690 is 9628274075.

It can be written as a sum of positive squares in 2 ways, for example, as 45919775521 + 11127507169 = 214289^2 + 105487^2 .

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

It is a super-2 number, since 2×57047282690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57047282693) 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, 2852364125 + ... + 2852364144.

Almost surely, 2^57047282690 is an apocalyptic number.

57047282690 is a deficient number, since it is larger than the sum of its proper divisors (45637826170).

57047282690 is a wasteful number, since it uses less digits than its factorization.

57047282690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704728276.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 57047282690 in words is "fifty-seven billion, forty-seven million, two hundred eighty-two thousand, six hundred ninety".