53433144 has 24 divisors (see below), whose sum is σ = 144714960. Its totient is φ = 17811024.

The previous prime is 53433137. The next prime is 53433157. The reversal of 53433144 is 44133435.

53433144 is a `hidden beast` number, since 5 + 343 + 314 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370992 + ... + 371135.

It is an arithmetic number, because the mean of its divisors is an integer number (6029790).

Almost surely, 2^53433144 is an apocalyptic number.

It is an amenable number.

53433144 is an abundant number, since it is smaller than the sum of its proper divisors (91281816).

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

53433144 is a wasteful number, since it uses less digits than its factorization.

53433144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742139 (or 742132 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 53433144 is about 7309.7978084212. The cubic root of 53433144 is about 376.6490788074.

Adding to 53433144 its reverse (44133435), we get a palindrome (97566579).

The spelling of 53433144 in words is "fifty-three million, four hundred thirty-three thousand, one hundred forty-four".