63089540 has 12 divisors (see below), whose sum is σ = 132488076. Its totient is φ = 25235808.

The previous prime is 63089539. The next prime is 63089573. The reversal of 63089540 is 4598036.

It can be written as a sum of positive squares in 2 ways, for example, as 44702596 + 18386944 = 6686^2 + 4288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63089540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1577219 + ... + 1577258.

It is an arithmetic number, because the mean of its divisors is an integer number (11040673).

Almost surely, 2^63089540 is an apocalyptic number.

It is an amenable number.

63089540 is an abundant number, since it is smaller than the sum of its proper divisors (69398536).

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

63089540 is a wasteful number, since it uses less digits than its factorization.

63089540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154486 (or 3154484 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 63089540 is about 7942.8924202711. The cubic root of 63089540 is about 398.0941420189.

The spelling of 63089540 in words is "sixty-three million, eighty-nine thousand, five hundred forty".