53640082 has 8 divisors (see below), whose sum is σ = 83234700. Its totient is φ = 25895184.

The previous prime is 53640079. The next prime is 53640089. The reversal of 53640082 is 28004635.

It can be written as a sum of positive squares in 2 ways, for example, as 52867441 + 772641 = 7271^2 + 879^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53640082.

It is not an unprimeable number, because it can be changed into a prime (53640089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462357 + ... + 462472.

Almost surely, 2^53640082 is an apocalyptic number.

53640082 is a deficient number, since it is larger than the sum of its proper divisors (29594618).

53640082 is a wasteful number, since it uses less digits than its factorization.

53640082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924860.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53640082 is about 7323.9389675229. The cubic root of 53640082 is about 377.1346862845.

The spelling of 53640082 in words is "fifty-three million, six hundred forty thousand, eighty-two".