52905940 has 12 divisors (see below), whose sum is σ = 111102516. Its totient is φ = 21162368.

The previous prime is 52905917. The next prime is 52905977. The reversal of 52905940 is 4950925.

It can be written as a sum of positive squares in 2 ways, for example, as 39917124 + 12988816 = 6318^2 + 3604^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52905896 and 52905905.

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, 1322629 + ... + 1322668.

It is an arithmetic number, because the mean of its divisors is an integer number (9258543).

Almost surely, 2^52905940 is an apocalyptic number.

It is an amenable number.

52905940 is an abundant number, since it is smaller than the sum of its proper divisors (58196576).

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

52905940 is a wasteful number, since it uses less digits than its factorization.

52905940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2645306 (or 2645304 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 52905940 is about 7273.6469532140. The cubic root of 52905940 is about 375.4062323677.

The spelling of 52905940 in words is "fifty-two million, nine hundred five thousand, nine hundred forty".