52110640 has 80 divisors (see below), whose sum is σ = 127991808. Its totient is φ = 19692288.

The previous prime is 52110599. The next prime is 52110677. The reversal of 52110640 is 4601125.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233569 + ... + 233791.

Almost surely, 2^52110640 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 52110640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63995904).

52110640 is an abundant number, since it is smaller than the sum of its proper divisors (75881168).

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

52110640 is a wasteful number, since it uses less digits than its factorization.

52110640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52110640 is about 7218.7699783273. The cubic root of 52110640 is about 373.5156493308.

Adding to 52110640 its reverse (4601125), we get a palindrome (56711765).

The spelling of 52110640 in words is "fifty-two million, one hundred ten thousand, six hundred forty".