64756053 has 12 divisors (see below), whose sum is σ = 93634060. Its totient is φ = 43125696.

The previous prime is 64756039. The next prime is 64756073. The reversal of 64756053 is 35065746.

64756053 is a `hidden beast` number, since 6 + 47 + 5 + 605 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28068804 + 36687249 = 5298^2 + 6057^2 .

It is not a de Polignac number, because 64756053 - 2⁸ = 64755797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64755999 and 64756017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64756073) 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, 6975 + ... + 13347.

Almost surely, 2^64756053 is an apocalyptic number.

It is an amenable number.

64756053 is a deficient number, since it is larger than the sum of its proper divisors (28878007).

64756053 is a wasteful number, since it uses less digits than its factorization.

64756053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508 (or 7505 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 36.

The square root of 64756053 is about 8047.1145760453. The cubic root of 64756053 is about 401.5689483731.

The spelling of 64756053 in words is "sixty-four million, seven hundred fifty-six thousand, fifty-three".