57057095661 has 8 divisors (see below), whose sum is σ = 76125437760. Its totient is φ = 38013408672.

The previous prime is 57057095633. The next prime is 57057095677. The reversal of 57057095661 is 16659075075.

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

It is not a de Polignac number, because 57057095661 - 2⁹ = 57057095149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57057095611) 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, 6158376 + ... + 6167633.

It is an arithmetic number, because the mean of its divisors is an integer number (9515679720).

Almost surely, 2^57057095661 is an apocalyptic number.

It is an amenable number.

57057095661 is a deficient number, since it is larger than the sum of its proper divisors (19068342099).

57057095661 is a wasteful number, since it uses less digits than its factorization.

57057095661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12327555.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The spelling of 57057095661 in words is "fifty-seven billion, fifty-seven million, ninety-five thousand, six hundred sixty-one".