57182075221 has 8 divisors (see below), whose sum is σ = 57696645600. Its totient is φ = 56668687920.

The previous prime is 57182075219. The next prime is 57182075257. The reversal of 57182075221 is 12257028175.

It is a happy number.

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 57182075221 - 2¹ = 57182075219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57182075281) 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, 198526 + ... + 392143.

It is an arithmetic number, because the mean of its divisors is an integer number (7212080700).

Almost surely, 2^57182075221 is an apocalyptic number.

It is an amenable number.

57182075221 is a deficient number, since it is larger than the sum of its proper divisors (514570379).

57182075221 is a wasteful number, since it uses less digits than its factorization.

57182075221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591539.

The product of its (nonzero) digits is 78400, while the sum is 40.

The spelling of 57182075221 in words is "fifty-seven billion, one hundred eighty-two million, seventy-five thousand, two hundred twenty-one".