52093540 has 12 divisors (see below), whose sum is σ = 109396476. Its totient is φ = 20837408.

The previous prime is 52093537. The next prime is 52093543. The reversal of 52093540 is 4539025.

It is an interprime number because it is at equal distance from previous prime (52093537) and next prime (52093543).

It can be written as a sum of positive squares in 2 ways, for example, as 24383844 + 27709696 = 4938^2 + 5264^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52093499 and 52093508.

It is not an unprimeable number, because it can be changed into a prime (52093543) 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, 1302319 + ... + 1302358.

It is an arithmetic number, because the mean of its divisors is an integer number (9116373).

Almost surely, 2^52093540 is an apocalyptic number.

It is an amenable number.

52093540 is an abundant number, since it is smaller than the sum of its proper divisors (57302936).

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

52093540 is a wasteful number, since it uses less digits than its factorization.

52093540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2604686 (or 2604684 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52093540 is about 7217.5854688393. The cubic root of 52093540 is about 373.4747887288.

The spelling of 52093540 in words is "fifty-two million, ninety-three thousand, five hundred forty".