57142336 has 14 divisors (see below), whose sum is σ = 113391950. Its totient is φ = 28571136.

The previous prime is 57142303. The next prime is 57142339. The reversal of 57142336 is 63324175.

57142336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 56911936 + 230400 = 7544^2 + 480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57142298 and 57142307.

It is not an unprimeable number, because it can be changed into a prime (57142339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446361 + ... + 446488.

It is an arithmetic number, because the mean of its divisors is an integer number (8099425).

Almost surely, 2^57142336 is an apocalyptic number.

It is an amenable number.

57142336 is a deficient number, since it is larger than the sum of its proper divisors (56249614).

57142336 is an equidigital number, since it uses as much as digits as its factorization.

57142336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892861 (or 892851 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 57142336 is about 7559.2549897460. The cubic root of 57142336 is about 385.1701861864.

The spelling of 57142336 in words is "fifty-seven million, one hundred forty-two thousand, three hundred thirty-six".