53433324 has 144 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 14569632.

The previous prime is 53433319. The next prime is 53433349. The reversal of 53433324 is 42333435.

It is a happy number.

It is a super-2 number, since 2×53433324² = 5710240227377952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121497 + ... + 121935.

It is an arithmetic number, because the mean of its divisors is an integer number (1170400).

Almost surely, 2^53433324 is an apocalyptic number.

53433324 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53433324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84268800).

53433324 is an abundant number, since it is smaller than the sum of its proper divisors (115104276).

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

53433324 is a wasteful number, since it uses less digits than its factorization.

53433324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 474 counting only the distinct ones).

The product of its digits is 12960, while the sum is 27.

The square root of 53433324 is about 7309.8101206529. The cubic root of 53433324 is about 376.6495017456.

Adding to 53433324 its reverse (42333435), we get a palindrome (95766759).

The spelling of 53433324 in words is "fifty-three million, four hundred thirty-three thousand, three hundred twenty-four".