65529928 has 16 divisors (see below), whose sum is σ = 123997500. Its totient is φ = 32463936.

The previous prime is 65529901. The next prime is 65529941. The reversal of 65529928 is 82992556.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 62062884 + 3467044 = 7878^2 + 1862^2 .

It is a super-4 number, since 4×65529928⁴ (a number of 32 digits) contains 4444 as substring.

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, 36703 + ... + 38446.

Almost surely, 2^65529928 is an apocalyptic number.

It is an amenable number.

65529928 is a deficient number, since it is larger than the sum of its proper divisors (58467572).

65529928 is a wasteful number, since it uses less digits than its factorization.

65529928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75264 (or 75260 counting only the distinct ones).

The product of its digits is 388800, while the sum is 46.

The square root of 65529928 is about 8095.0557749777. The cubic root of 65529928 is about 403.1622840183.

The spelling of 65529928 in words is "sixty-five million, five hundred twenty-nine thousand, nine hundred twenty-eight".