65498500 has 48 divisors (see below), whose sum is σ = 144576432. Its totient is φ = 25920000.

The previous prime is 65498497. The next prime is 65498507. The reversal of 65498500 is 589456.

It can be written as a sum of positive squares in 8 ways, for example, as 179776 + 65318724 = 424^2 + 8082^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 65498500.

It is not an unprimeable number, because it can be changed into a prime (65498507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49852 + ... + 51148.

It is an arithmetic number, because the mean of its divisors is an integer number (3012009).

Almost surely, 2^65498500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65498500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72288216).

65498500 is an abundant number, since it is smaller than the sum of its proper divisors (79077932).

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

65498500 is a wasteful number, since it uses less digits than its factorization.

65498500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 65498500 is about 8093.1143572793. The cubic root of 65498500 is about 403.0978218161.

The spelling of 65498500 in words is "sixty-five million, four hundred ninety-eight thousand, five hundred".