52644858 has 64 divisors (see below), whose sum is σ = 130160640. Its totient is φ = 13856832.

The previous prime is 52644833. The next prime is 52644859. The reversal of 52644858 is 85844625.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52644859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28635 + ... + 30417.

It is an arithmetic number, because the mean of its divisors is an integer number (2033760).

Almost surely, 2^52644858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52644858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65080320).

52644858 is an abundant number, since it is smaller than the sum of its proper divisors (77515782).

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

52644858 is a wasteful number, since it uses less digits than its factorization.

52644858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1851.

The product of its digits is 307200, while the sum is 42.

The square root of 52644858 is about 7255.6776389253. The cubic root of 52644858 is about 374.7876913784.

The spelling of 52644858 in words is "fifty-two million, six hundred forty-four thousand, eight hundred fifty-eight".