53205763 has 6 divisors (see below), whose sum is σ = 57613524. Its totient is φ = 49112856.

The previous prime is 53205709. The next prime is 53205769. The reversal of 53205763 is 36750235.

It is a de Polignac number, because none of the positive numbers 2^k-53205763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53205769) 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, 157245 + ... + 157582.

It is an arithmetic number, because the mean of its divisors is an integer number (9602254).

Almost surely, 2^53205763 is an apocalyptic number.

53205763 is a deficient number, since it is larger than the sum of its proper divisors (4407761).

53205763 is a wasteful number, since it uses less digits than its factorization.

53205763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314853 (or 314840 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 31.

The square root of 53205763 is about 7294.2280605970. The cubic root of 53205763 is about 376.1140512436.

Adding to 53205763 its reverse (36750235), we get a palindrome (89955998).

The spelling of 53205763 in words is "fifty-three million, two hundred five thousand, seven hundred sixty-three".