53213456334 has 16 divisors (see below), whose sum is σ = 108434968272. Its totient is φ = 17403142848.

The previous prime is 53213456333. The next prime is 53213456369. The reversal of 53213456334 is 43365431235.

It is a junction number, because it is equal to n+sod(n) for n = 53213456292 and 53213456301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53213456333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83668639 + ... + 83669274.

It is an arithmetic number, because the mean of its divisors is an integer number (6777185517).

Almost surely, 2^53213456334 is an apocalyptic number.

53213456334 is an abundant number, since it is smaller than the sum of its proper divisors (55221511938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53213456334 is a wasteful number, since it uses less digits than its factorization.

53213456334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167337971.

The product of its digits is 388800, while the sum is 39.

Adding to 53213456334 its reverse (43365431235), we get a palindrome (96578887569).

The spelling of 53213456334 in words is "fifty-three billion, two hundred thirteen million, four hundred fifty-six thousand, three hundred thirty-four".