53452644 has 96 divisors (see below), whose sum is σ = 151173120. Its totient is φ = 14370048.

The previous prime is 53452639. The next prime is 53452657. The reversal of 53452644 is 44625435.

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, 140847 + ... + 141225.

It is an arithmetic number, because the mean of its divisors is an integer number (1574720).

Almost surely, 2^53452644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53452644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75586560).

53452644 is an abundant number, since it is smaller than the sum of its proper divisors (97720476).

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

53452644 is a wasteful number, since it uses less digits than its factorization.

53452644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 487 counting only the distinct ones).

The product of its digits is 57600, while the sum is 33.

The square root of 53452644 is about 7311.1315129739. The cubic root of 53452644 is about 376.6948915945.

The spelling of 53452644 in words is "fifty-three million, four hundred fifty-two thousand, six hundred forty-four".