52904064 has 32 divisors (see below), whose sum is σ = 140527440. Its totient is φ = 17634560.

The previous prime is 52904053. The next prime is 52904069. The reversal of 52904064 is 46040925.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (52904069) 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, 68502 + ... + 69269.

Almost surely, 2^52904064 is an apocalyptic number.

It is an amenable number.

52904064 is an abundant number, since it is smaller than the sum of its proper divisors (87623376).

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

52904064 is a wasteful number, since it uses less digits than its factorization.

52904064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137788 (or 137776 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 52904064 is about 7273.5179933784. The cubic root of 52904064 is about 375.4017951192.

Adding to 52904064 its reverse (46040925), we get a palindrome (98944989).

The spelling of 52904064 in words is "fifty-two million, nine hundred four thousand, sixty-four".