65512053 has 6 divisors (see below), whose sum is σ = 94628534. Its totient is φ = 43674696.

The previous prime is 65512049. The next prime is 65512063. The reversal of 65512053 is 35021556.

65512053 is a `hidden beast` number, since 655 + 1 + 2 + 0 + 5 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 65173329 + 338724 = 8073^2 + 582^2 .

It is not a de Polignac number, because 65512053 - 2² = 65512049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65512063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3639550 + ... + 3639567.

Almost surely, 2^65512053 is an apocalyptic number.

It is an amenable number.

65512053 is a deficient number, since it is larger than the sum of its proper divisors (29116481).

65512053 is a wasteful number, since it uses less digits than its factorization.

65512053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7279123 (or 7279120 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 65512053 is about 8093.9516306931. The cubic root of 65512053 is about 403.1256230025.

The spelling of 65512053 in words is "sixty-five million, five hundred twelve thousand, fifty-three".