57123044771 has 8 divisors (see below), whose sum is σ = 61522487040. Its totient is φ = 52724368512.

The previous prime is 57123044767. The next prime is 57123044791. The reversal of 57123044771 is 17744032175.

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 57123044771 - 2² = 57123044767 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57123044791) 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, 31670 + ... + 339483.

It is an arithmetic number, because the mean of its divisors is an integer number (7690310880).

Almost surely, 2^57123044771 is an apocalyptic number.

57123044771 is a deficient number, since it is larger than the sum of its proper divisors (4399442269).

57123044771 is a wasteful number, since it uses less digits than its factorization.

57123044771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383005.

The product of its (nonzero) digits is 164640, while the sum is 41.

The spelling of 57123044771 in words is "fifty-seven billion, one hundred twenty-three million, forty-four thousand, seven hundred seventy-one".