65552693 has 6 divisors (see below), whose sum is σ = 67736502. Its totient is φ = 63437160.

The previous prime is 65552689. The next prime is 65552743. The reversal of 65552693 is 39625556.

It can be written as a sum of positive squares in only one way, i.e., 52171729 + 13380964 = 7223^2 + 3658^2 .

It is not a de Polignac number, because 65552693 - 2² = 65552689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65552693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65552623) 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, 33146 + ... + 35067.

It is an arithmetic number, because the mean of its divisors is an integer number (11289417).

Almost surely, 2^65552693 is an apocalyptic number.

It is an amenable number.

65552693 is a deficient number, since it is larger than the sum of its proper divisors (2183809).

65552693 is an equidigital number, since it uses as much as digits as its factorization.

65552693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68275 (or 68244 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The square root of 65552693 is about 8096.4617580768. The cubic root of 65552693 is about 403.2089646067.

The spelling of 65552693 in words is "sixty-five million, five hundred fifty-two thousand, six hundred ninety-three".