57833540 has 24 divisors (see below), whose sum is σ = 125639640. Its totient is φ = 22335488.

The previous prime is 57833533. The next prime is 57833543. The reversal of 57833540 is 4533875.

It can be written as a sum of positive squares in 4 ways, for example, as 1643524 + 56190016 = 1282^2 + 7496^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57833540.

It is not an unprimeable number, because it can be changed into a prime (57833543) 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, 49277 + ... + 50436.

It is an arithmetic number, because the mean of its divisors is an integer number (5234985).

Almost surely, 2^57833540 is an apocalyptic number.

It is an amenable number.

57833540 is an abundant number, since it is smaller than the sum of its proper divisors (67806100).

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

57833540 is a wasteful number, since it uses less digits than its factorization.

57833540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99751 (or 99749 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 57833540 is about 7604.8366188893. The cubic root of 57833540 is about 386.7169953646.

The spelling of 57833540 in words is "fifty-seven million, eight hundred thirty-three thousand, five hundred forty".