52261560 has 144 divisors (see below), whose sum is σ = 184134600. Its totient is φ = 12849408.

The previous prime is 52261523. The next prime is 52261577. The reversal of 52261560 is 6516225.

It is a super-3 number, since 3×52261560³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60411 + ... + 61269.

Almost surely, 2^52261560 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 52261560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92067300).

52261560 is an abundant number, since it is smaller than the sum of its proper divisors (131873040).

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

52261560 is a wasteful number, since it uses less digits than its factorization.

52261560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 52261560 is about 7229.2157250977. The cubic root of 52261560 is about 373.8758870204.

Adding to 52261560 its reverse (6516225), we get a palindrome (58777785).

It can be divided in two parts, 5226 and 1560, that added together give a triangular number (6786 = T₁₁₆).

The spelling of 52261560 in words is "fifty-two million, two hundred sixty-one thousand, five hundred sixty".