53572227534 has 144 divisors (see below), whose sum is σ = 144282481200. Its totient is φ = 14273376768.

The previous prime is 53572227529. The next prime is 53572227557. The reversal of 53572227534 is 43572227535.

It is a happy number.

53572227534 is a `hidden beast` number, since 5 + 3 + 572 + 2 + 2 + 75 + 3 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53572227534.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1617957 + ... + 1650735.

It is an arithmetic number, because the mean of its divisors is an integer number (1001961675).

Almost surely, 2^53572227534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53572227534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72141240600).

53572227534 is an abundant number, since it is smaller than the sum of its proper divisors (90710253666).

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

53572227534 is a wasteful number, since it uses less digits than its factorization.

53572227534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32927 (or 32917 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 45.

Subtracting from 53572227534 its reverse (43572227535), we obtain a palindrome (9999999999).

The spelling of 53572227534 in words is "fifty-three billion, five hundred seventy-two million, two hundred twenty-seven thousand, five hundred thirty-four".