52864940 has 12 divisors (see below), whose sum is σ = 111016416. Its totient is φ = 21145968.

The previous prime is 52864939. The next prime is 52864957. The reversal of 52864940 is 4946825.

It is a junction number, because it is equal to n+sod(n) for n = 52864894 and 52864903.

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, 1321604 + ... + 1321643.

It is an arithmetic number, because the mean of its divisors is an integer number (9251368).

Almost surely, 2^52864940 is an apocalyptic number.

It is an amenable number.

52864940 is an abundant number, since it is smaller than the sum of its proper divisors (58151476).

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

52864940 is a wasteful number, since it uses less digits than its factorization.

52864940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643256 (or 2643254 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 52864940 is about 7270.8280133696. The cubic root of 52864940 is about 375.3092323383.

The spelling of 52864940 in words is "fifty-two million, eight hundred sixty-four thousand, nine hundred forty".