52015664 has 10 divisors (see below), whose sum is σ = 100780380. Its totient is φ = 26007824.

The previous prime is 52015643. The next prime is 52015669. The reversal of 52015664 is 46651025.

It is not an unprimeable number, because it can be changed into a prime (52015669) by changing a digit.

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, 1625474 + ... + 1625505.

It is an arithmetic number, because the mean of its divisors is an integer number (10078038).

Almost surely, 2^52015664 is an apocalyptic number.

It is an amenable number.

52015664 is a deficient number, since it is larger than the sum of its proper divisors (48764716).

52015664 is a wasteful number, since it uses less digits than its factorization.

52015664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3250987 (or 3250981 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 52015664 is about 7212.1885721326. The cubic root of 52015664 is about 373.2885901594.

Adding to 52015664 its reverse (46651025), we get a palindrome (98666689).

The spelling of 52015664 in words is "fifty-two million, fifteen thousand, six hundred sixty-four".