52330644 has 24 divisors (see below), whose sum is σ = 135672320. Its totient is φ = 17443512.

The previous prime is 52330643. The next prime is 52330651. The reversal of 52330644 is 44603325.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52330643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242164 + ... + 242379.

Almost surely, 2^52330644 is an apocalyptic number.

52330644 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52330644 is an abundant number, since it is smaller than the sum of its proper divisors (83341676).

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

52330644 is a wasteful number, since it uses less digits than its factorization.

52330644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484556 (or 484548 counting only the distinct ones).

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

The square root of 52330644 is about 7233.9922587739. The cubic root of 52330644 is about 374.0405553360.

Adding to 52330644 its reverse (44603325), we get a palindrome (96933969).

The spelling of 52330644 in words is "fifty-two million, three hundred thirty thousand, six hundred forty-four".