53847222 has 64 divisors (see below), whose sum is σ = 128024064. Its totient is φ = 14883840.

The previous prime is 53847203. The next prime is 53847239. The reversal of 53847222 is 22274835.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82903 + ... + 83549.

It is an arithmetic number, because the mean of its divisors is an integer number (2000376).

Almost surely, 2^53847222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53847222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64012032).

53847222 is an abundant number, since it is smaller than the sum of its proper divisors (74176842).

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

53847222 is a wasteful number, since it uses less digits than its factorization.

53847222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773.

The product of its digits is 26880, while the sum is 33.

The square root of 53847222 is about 7338.0666391087. The cubic root of 53847222 is about 377.6195186080.

The spelling of 53847222 in words is "fifty-three million, eight hundred forty-seven thousand, two hundred twenty-two".