64536983 has 8 divisors (see below), whose sum is σ = 74199552. Its totient is φ = 54985176.

The previous prime is 64536971. The next prime is 64537007. The reversal of 64536983 is 38963546.

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

It is a cyclic number.

It is not a de Polignac number, because 64536983 - 2¹⁰ = 64535959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64536083) 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, 26435 + ... + 28772.

It is an arithmetic number, because the mean of its divisors is an integer number (9274944).

Almost surely, 2^64536983 is an apocalyptic number.

64536983 is a deficient number, since it is larger than the sum of its proper divisors (9662569).

64536983 is a wasteful number, since it uses less digits than its factorization.

64536983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55381.

The product of its digits is 466560, while the sum is 44.

The square root of 64536983 is about 8033.4913331627. The cubic root of 64536983 is about 401.1156002808.

The spelling of 64536983 in words is "sixty-four million, five hundred thirty-six thousand, nine hundred eighty-three".