52133444 has 48 divisors (see below), whose sum is σ = 105616896. Its totient is φ = 22291200.

The previous prime is 52133401. The next prime is 52133447. The reversal of 52133444 is 44433125.

It is a super-2 number, since 2×52133444² = 5435791966602272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52133447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49952 + ... + 50984.

It is an arithmetic number, because the mean of its divisors is an integer number (2200352).

Almost surely, 2^52133444 is an apocalyptic number.

It is an amenable number.

52133444 is an abundant number, since it is smaller than the sum of its proper divisors (53483452).

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

52133444 is a wasteful number, since it uses less digits than its factorization.

52133444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1114 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 52133444 is about 7220.3492990298. The cubic root of 52133444 is about 373.5701257852.

Adding to 52133444 its reverse (44433125), we get a palindrome (96566569).

The spelling of 52133444 in words is "fifty-two million, one hundred thirty-three thousand, four hundred forty-four".