52641402 has 64 divisors (see below), whose sum is σ = 118972800. Its totient is φ = 15392000.

The previous prime is 52641397. The next prime is 52641403. The reversal of 52641402 is 20414625.

It is a super-2 number, since 2×52641402² = 5542234409051208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52641403) 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, 353224 + ... + 353372.

It is an arithmetic number, because the mean of its divisors is an integer number (1858950).

Almost surely, 2^52641402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52641402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59486400).

52641402 is an abundant number, since it is smaller than the sum of its proper divisors (66331398).

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

52641402 is a wasteful number, since it uses less digits than its factorization.

52641402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 52641402 is about 7255.4394766961. The cubic root of 52641402 is about 374.7794899151.

It can be divided in two parts, 5264 and 1402, that added together give a palindrome (6666).

The spelling of 52641402 in words is "fifty-two million, six hundred forty-one thousand, four hundred two".