5757221385 has 12 divisors (see below), whose sum is σ = 9979183812. Its totient is φ = 3070518048.

The previous prime is 5757221383. The next prime is 5757221413. The reversal of 5757221385 is 5831227575.

5757221385 is a `hidden beast` number, since 57 + 572 + 21 + 3 + 8 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 617621904 + 5139599481 = 24852^2 + 71691^2 .

It is not a de Polignac number, because 5757221385 - 2¹ = 5757221383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 127938253 = 5757221385 / (5 + 7 + 5 + 7 + 2 + 2 + 1 + 3 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 5757221385.

It is not an unprimeable number, because it can be changed into a prime (5757221381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63969082 + ... + 63969171.

It is an arithmetic number, because the mean of its divisors is an integer number (831598651).

Almost surely, 2^5757221385 is an apocalyptic number.

It is an amenable number.

5757221385 is a deficient number, since it is larger than the sum of its proper divisors (4221962427).

5757221385 is a wasteful number, since it uses less digits than its factorization.

5757221385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127938264 (or 127938261 counting only the distinct ones).

The product of its digits is 588000, while the sum is 45.

The square root of 5757221385 is about 75876.3559022177. The cubic root of 5757221385 is about 1792.2736092414.

The spelling of 5757221385 in words is "five billion, seven hundred fifty-seven million, two hundred twenty-one thousand, three hundred eighty-five".