52264540 has 12 divisors (see below), whose sum is σ = 109755576. Its totient is φ = 20905808.

The previous prime is 52264523. The next prime is 52264549. The reversal of 52264540 is 4546225.

It is a junction number, because it is equal to n+sod(n) for n = 52264499 and 52264508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52264549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306594 + ... + 1306633.

It is an arithmetic number, because the mean of its divisors is an integer number (9146298).

Almost surely, 2^52264540 is an apocalyptic number.

It is an amenable number.

52264540 is an abundant number, since it is smaller than the sum of its proper divisors (57491036).

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

52264540 is a wasteful number, since it uses less digits than its factorization.

52264540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613236 (or 2613234 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 52264540 is about 7229.4218302711. The cubic root of 52264540 is about 373.8829931290.

The spelling of 52264540 in words is "fifty-two million, two hundred sixty-four thousand, five hundred forty".