53222544 has 60 divisors (see below), whose sum is σ = 150077200. Its totient is φ = 17606592.

The previous prime is 53222531. The next prime is 53222557. The reversal of 53222544 is 44522235.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53222531) and next prime (53222557).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18687 + ... + 21345.

Almost surely, 2^53222544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53222544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75038600).

53222544 is an abundant number, since it is smaller than the sum of its proper divisors (96854656).

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

53222544 is a wasteful number, since it uses less digits than its factorization.

53222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812 (or 2803 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 53222544 is about 7295.3782629827. The cubic root of 53222544 is about 376.1535889810.

Adding to 53222544 its reverse (44522235), we get a palindrome (97744779).

The spelling of 53222544 in words is "fifty-three million, two hundred twenty-two thousand, five hundred forty-four".