65566053 has 12 divisors (see below), whose sum is σ = 108236128. Its totient is φ = 37466280.

The previous prime is 65566049. The next prime is 65566063. The reversal of 65566053 is 35066556.

It is a happy number.

It is not a de Polignac number, because 65566053 - 2² = 65566049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65565999 and 65566017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65566043) 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, 520303 + ... + 520428.

Almost surely, 2^65566053 is an apocalyptic number.

65566053 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

65566053 is a deficient number, since it is larger than the sum of its proper divisors (42670075).

65566053 is a wasteful number, since it uses less digits than its factorization.

65566053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040744 (or 1040741 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 36.

The square root of 65566053 is about 8097.2867678007. The cubic root of 65566053 is about 403.2363548155.

The spelling of 65566053 in words is "sixty-five million, five hundred sixty-six thousand, fifty-three".