52909992 has 48 divisors (see below), whose sum is σ = 143968500. Its totient is φ = 17554176.

The previous prime is 52909979. The next prime is 52909993. The reversal of 52909992 is 29990925.

It can be written as a sum of positive squares in 2 ways, for example, as 48525156 + 4384836 = 6966^2 + 2094^2 .

It is not an unprimeable number, because it can be changed into a prime (52909993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14884 + ... + 18092.

Almost surely, 2^52909992 is an apocalyptic number.

It is an amenable number.

52909992 is an abundant number, since it is smaller than the sum of its proper divisors (91058508).

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

52909992 is a wasteful number, since it uses less digits than its factorization.

52909992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3443 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 52909992 is about 7273.9254876580. The cubic root of 52909992 is about 375.4158160882.

The spelling of 52909992 in words is "fifty-two million, nine hundred nine thousand, nine hundred ninety-two".