65520936 has 48 divisors (see below), whose sum is σ = 191105460. Its totient is φ = 20160000.

The previous prime is 65520913. The next prime is 65520937. The reversal of 65520936 is 63902556.

It can be written as a sum of positive squares in 2 ways, for example, as 65512836 + 8100 = 8094^2 + 90^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65520936.

It is not an unprimeable number, because it can be changed into a prime (65520937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34065 + ... + 35936.

Almost surely, 2^65520936 is an apocalyptic number.

It is an amenable number.

65520936 is an abundant number, since it is smaller than the sum of its proper divisors (125584524).

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

65520936 is a wasteful number, since it uses less digits than its factorization.

65520936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70026 (or 70019 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 65520936 is about 8094.5003551794. The cubic root of 65520936 is about 403.1438425662.

The spelling of 65520936 in words is "sixty-five million, five hundred twenty thousand, nine hundred thirty-six".