52664072 has 8 divisors (see below), whose sum is σ = 98745150. Its totient is φ = 26332032.

The previous prime is 52664069. The next prime is 52664083. The reversal of 52664072 is 27046625.

It can be written as a sum of positive squares in only one way, i.e., 49928356 + 2735716 = 7066^2 + 1654^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3291497 + ... + 3291512.

Almost surely, 2^52664072 is an apocalyptic number.

It is an amenable number.

52664072 is a deficient number, since it is larger than the sum of its proper divisors (46081078).

52664072 is a wasteful number, since it uses less digits than its factorization.

52664072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6583015 (or 6583011 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 52664072 is about 7257.0015846767. The cubic root of 52664072 is about 374.8332817429.

The spelling of 52664072 in words is "fifty-two million, six hundred sixty-four thousand, seventy-two".