52105560 has 128 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 12676608.

The previous prime is 52105541. The next prime is 52105589. The reversal of 52105560 is 6550125.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 52105560.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 197989 + ... + 198251.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 2^52105560 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 52105560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85155840).

52105560 is an abundant number, since it is smaller than the sum of its proper divisors (118206120).

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

52105560 is a wasteful number, since it uses less digits than its factorization.

52105560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 413 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 52105560 is about 7218.4181092536. The cubic root of 52105560 is about 373.5035115591.

Adding to 52105560 its reverse (6550125), we get a palindrome (58655685).

The spelling of 52105560 in words is "fifty-two million, one hundred five thousand, five hundred sixty".