57017749442 has 4 divisors (see below), whose sum is σ = 85526624166. Its totient is φ = 28508874720.

The previous prime is 57017749421. The next prime is 57017749469. The reversal of 57017749442 is 24494771075.

57017749442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 34640282161 + 22377467281 = 186119^2 + 149591^2 .

It is a super-2 number, since 2×57017749442² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14254437359 + ... + 14254437362.

Almost surely, 2^57017749442 is an apocalyptic number.

57017749442 is a deficient number, since it is larger than the sum of its proper divisors (28508874724).

57017749442 is a wasteful number, since it uses less digits than its factorization.

57017749442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28508874723.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 57017749442 in words is "fifty-seven billion, seventeen million, seven hundred forty-nine thousand, four hundred forty-two".