53278202463 has 4 divisors (see below), whose sum is σ = 71037603288. Its totient is φ = 35518801640.

The previous prime is 53278202447. The next prime is 53278202491. The reversal of 53278202463 is 36420287235.

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 53278202463 - 2⁴ = 53278202447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53278202413) 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, 8879700408 + ... + 8879700413.

It is an arithmetic number, because the mean of its divisors is an integer number (17759400822).

Almost surely, 2^53278202463 is an apocalyptic number.

53278202463 is a deficient number, since it is larger than the sum of its proper divisors (17759400825).

53278202463 is a wasteful number, since it uses less digits than its factorization.

53278202463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17759400824.

The product of its (nonzero) digits is 483840, while the sum is 42.

Adding to 53278202463 its reverse (36420287235), we get a palindrome (89698489698).

The spelling of 53278202463 in words is "fifty-three billion, two hundred seventy-eight million, two hundred two thousand, four hundred sixty-three".