64503532 has 6 divisors (see below), whose sum is σ = 112881188. Its totient is φ = 32251764.

The previous prime is 64503521. The next prime is 64503539. The reversal of 64503532 is 23530546.

It is a self number, because there is not a number n which added to its sum of digits gives 64503532.

It is not an unprimeable number, because it can be changed into a prime (64503539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8062938 + ... + 8062945.

Almost surely, 2^64503532 is an apocalyptic number.

It is an amenable number.

64503532 is a deficient number, since it is larger than the sum of its proper divisors (48377656).

64503532 is a wasteful number, since it uses less digits than its factorization.

64503532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16125887 (or 16125885 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 64503532 is about 8031.4090918095. The cubic root of 64503532 is about 401.0462858287.

The spelling of 64503532 in words is "sixty-four million, five hundred three thousand, five hundred thirty-two".