53221012235 has 4 divisors (see below), whose sum is σ = 63865214688. Its totient is φ = 42576809784.

The previous prime is 53221012183. The next prime is 53221012249.

It is a happy number.

53221012235 is nontrivially palindromic in base 10.

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 53221012235 - 2⁶ = 53221012171 is a prime.

It is a super-2 number, since 2×53221012235² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5322101219 + ... + 5322101228.

It is an arithmetic number, because the mean of its divisors is an integer number (15966303672).

Almost surely, 2^53221012235 is an apocalyptic number.

53221012235 is a deficient number, since it is larger than the sum of its proper divisors (10644202453).

53221012235 is a wasteful number, since it uses less digits than its factorization.

53221012235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10644202452.

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 532210 and 12235, that added together give a palindrome (544445).

The spelling of 53221012235 in words is "fifty-three billion, two hundred twenty-one million, twelve thousand, two hundred thirty-five".