52644888 has 72 divisors (see below), whose sum is σ = 146118180. Its totient is φ = 17123040.

The previous prime is 52644887. The next prime is 52644923. The reversal of 52644888 is 88844625.

52644888 is a `hidden beast` number, since 526 + 4 + 48 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52644883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 158883 + ... + 159213.

Almost surely, 2^52644888 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 52644888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73059090).

52644888 is an abundant number, since it is smaller than the sum of its proper divisors (93473292).

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

52644888 is a wasteful number, since it uses less digits than its factorization.

52644888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 383 counting only the distinct ones).

The product of its digits is 491520, while the sum is 45.

The square root of 52644888 is about 7255.6797062715. The cubic root of 52644888 is about 374.7877625701.

The spelling of 52644888 in words is "fifty-two million, six hundred forty-four thousand, eight hundred eighty-eight".