65690050 has 24 divisors (see below), whose sum is σ = 122397300. Its totient is φ = 26230080.

The previous prime is 65690039. The next prime is 65690063. The reversal of 65690050 is 5009656.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 44262409 + 21427641 = 6653^2 + 4629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65689994 and 65690021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52836 + ... + 54064.

Almost surely, 2^65690050 is an apocalyptic number.

65690050 is a deficient number, since it is larger than the sum of its proper divisors (56707250).

65690050 is a wasteful number, since it uses less digits than its factorization.

65690050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310 (or 2305 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 65690050 is about 8104.9398517201. The cubic root of 65690050 is about 403.4903918230.

The spelling of 65690050 in words is "sixty-five million, six hundred ninety thousand, fifty".