63785053 has 4 divisors (see below), whose sum is σ = 65340828. Its totient is φ = 62229280.

The previous prime is 63785027. The next prime is 63785093. The reversal of 63785053 is 35058736.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11410884 + 52374169 = 3378^2 + 7237^2 .

It is a cyclic number.

It is not a de Polignac number, because 63785053 - 2⁹ = 63784541 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 (63785093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777826 + ... + 777907.

It is an arithmetic number, because the mean of its divisors is an integer number (16335207).

Almost surely, 2^63785053 is an apocalyptic number.

It is an amenable number.

63785053 is a deficient number, since it is larger than the sum of its proper divisors (1555775).

63785053 is a wasteful number, since it uses less digits than its factorization.

63785053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555774.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 63785053 is about 7986.5545136811. The cubic root of 63785053 is about 399.5516914864.

The spelling of 63785053 in words is "sixty-three million, seven hundred eighty-five thousand, fifty-three".