53930221863 has 32 divisors (see below), whose sum is σ = 85350481920. Its totient is φ = 29650337760.

The previous prime is 53930221843. The next prime is 53930221879. The reversal of 53930221863 is 36812203935.

It is not a de Polignac number, because 53930221863 - 2⁹ = 53930221351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53930221843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404823 + ... + 521288.

It is an arithmetic number, because the mean of its divisors is an integer number (2667202560).

Almost surely, 2^53930221863 is an apocalyptic number.

53930221863 is a deficient number, since it is larger than the sum of its proper divisors (31420260057).

53930221863 is a wasteful number, since it uses less digits than its factorization.

53930221863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926227.

The product of its (nonzero) digits is 233280, while the sum is 42.

It can be divided in two parts, 539302 and 21863, that added together give a palindrome (561165).

The spelling of 53930221863 in words is "fifty-three billion, nine hundred thirty million, two hundred twenty-one thousand, eight hundred sixty-three".