65231552 has 28 divisors (see below), whose sum is σ = 131893056. Its totient is φ = 31998720.

The previous prime is 65231513. The next prime is 65231563. The reversal of 65231552 is 25513256.

It is a happy number.

65231552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6224 + ... + 13007.

Almost surely, 2^65231552 is an apocalyptic number.

It is an amenable number.

65231552 is an abundant number, since it is smaller than the sum of its proper divisors (66661504).

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

65231552 is a wasteful number, since it uses less digits than its factorization.

65231552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19296 (or 19286 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 65231552 is about 8076.6052274455. The cubic root of 65231552 is about 402.5494495783.

The spelling of 65231552 in words is "sixty-five million, two hundred thirty-one thousand, five hundred fifty-two".