52562140 has 12 divisors (see below), whose sum is σ = 110380536. Its totient is φ = 21024848.

The previous prime is 52562129. The next prime is 52562179. The reversal of 52562140 is 4126525.

It is a super-2 number, since 2×52562140² = 5525557122759200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314034 + ... + 1314073.

It is an arithmetic number, because the mean of its divisors is an integer number (9198378).

Almost surely, 2^52562140 is an apocalyptic number.

It is an amenable number.

52562140 is an abundant number, since it is smaller than the sum of its proper divisors (57818396).

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

52562140 is a wasteful number, since it uses less digits than its factorization.

52562140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628116 (or 2628114 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 52562140 is about 7249.9751723713. The cubic root of 52562140 is about 374.5912939795.

Adding to 52562140 its reverse (4126525), we get a palindrome (56688665).

It can be divided in two parts, 5256 and 2140, that added together give a square (7396 = 86²).

The spelling of 52562140 in words is "fifty-two million, five hundred sixty-two thousand, one hundred forty".