65691052 has 24 divisors (see below), whose sum is σ = 132016640. Its totient is φ = 28017360.

The previous prime is 65691047. The next prime is 65691053. The reversal of 65691052 is 25019656.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 65690999 and 65691017.

It is not an unprimeable number, because it can be changed into a prime (65691053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349 + ... + 11467.

Almost surely, 2^65691052 is an apocalyptic number.

It is an amenable number.

65691052 is an abundant number, since it is smaller than the sum of its proper divisors (66325588).

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

65691052 is a wasteful number, since it uses less digits than its factorization.

65691052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11341 (or 11339 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 65691052 is about 8105.0016656383. The cubic root of 65691052 is about 403.4924433530.

The spelling of 65691052 in words is "sixty-five million, six hundred ninety-one thousand, fifty-two".