57142033936 has 45 divisors (see below), whose sum is σ = 119910240711. Its totient is φ = 26367509376.

The previous prime is 57142033931. The next prime is 57142033939. The reversal of 57142033936 is 63933024175.

It is a happy number.

The square root of 57142033936 is 239044.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 35285368336 + 21856665600 = 187844^2 + 147840^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57142033892 and 57142033901.

It is not an unprimeable number, because it can be changed into a prime (57142033931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12427990 + ... + 12432586.

Almost surely, 2^57142033936 is an apocalyptic number.

57142033936 is the 239044-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57142033936

57142033936 is an abundant number, since it is smaller than the sum of its proper divisors (62768206775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57142033936 is an frugal number, since it uses more digits than its factorization.

57142033936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228 (or 4612 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 57142033936 in words is "fifty-seven billion, one hundred forty-two million, thirty-three thousand, nine hundred thirty-six".