52367540 has 24 divisors (see below), whose sum is σ = 110716200. Its totient is φ = 20805248.

The previous prime is 52367519. The next prime is 52367563. The reversal of 52367540 is 4576325.

It can be written as a sum of positive squares in 4 ways, for example, as 2184484 + 50183056 = 1478^2 + 7084^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52367497 and 52367506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807 + ... + 11766.

It is an arithmetic number, because the mean of its divisors is an integer number (4613175).

Almost surely, 2^52367540 is an apocalyptic number.

It is an amenable number.

52367540 is an abundant number, since it is smaller than the sum of its proper divisors (58348660).

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

52367540 is a wasteful number, since it uses less digits than its factorization.

52367540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17731 (or 17729 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 52367540 is about 7236.5419918632. The cubic root of 52367540 is about 374.1284411148.

The spelling of 52367540 in words is "fifty-two million, three hundred sixty-seven thousand, five hundred forty".