53216974763 has 4 divisors (see below), whose sum is σ = 53217947448. Its totient is φ = 53216002080.

The previous prime is 53216974751. The next prime is 53216974781. The reversal of 53216974763 is 36747961235.

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

It is a cyclic number.

It is not a de Polignac number, because 53216974763 - 2²² = 53212780459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53216974663) 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, 399053 + ... + 515438.

It is an arithmetic number, because the mean of its divisors is an integer number (13304486862).

Almost surely, 2^53216974763 is an apocalyptic number.

53216974763 is a deficient number, since it is larger than the sum of its proper divisors (972685).

53216974763 is an equidigital number, since it uses as much as digits as its factorization.

53216974763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972684.

The product of its digits is 5715360, while the sum is 53.

The spelling of 53216974763 in words is "fifty-three billion, two hundred sixteen million, nine hundred seventy-four thousand, seven hundred sixty-three".