53963477263 has 4 divisors (see below), whose sum is σ = 54050656360. Its totient is φ = 53876298168.

The previous prime is 53963477251. The next prime is 53963477279. The reversal of 53963477263 is 36277436935.

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 53963477263 - 2²⁵ = 53929922831 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 (53963477563) 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, 43588620 + ... + 43589857.

It is an arithmetic number, because the mean of its divisors is an integer number (13512664090).

Almost surely, 2^53963477263 is an apocalyptic number.

53963477263 is a deficient number, since it is larger than the sum of its proper divisors (87179097).

53963477263 is an equidigital number, since it uses as much as digits as its factorization.

53963477263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87179096.

The product of its digits is 17146080, while the sum is 55.

The spelling of 53963477263 in words is "fifty-three billion, nine hundred sixty-three million, four hundred seventy-seven thousand, two hundred sixty-three".