52660004 has 6 divisors (see below), whose sum is σ = 92155014. Its totient is φ = 26330000.

The previous prime is 52659973. The next prime is 52660007. The reversal of 52660004 is 40006625.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 1965604 = 7120^2 + 1402^2 .

It is not an unprimeable number, because it can be changed into a prime (52660007) 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, 6582497 + ... + 6582504.

It is an arithmetic number, because the mean of its divisors is an integer number (15359169).

Almost surely, 2^52660004 is an apocalyptic number.

It is an amenable number.

52660004 is a deficient number, since it is larger than the sum of its proper divisors (39495010).

52660004 is a wasteful number, since it uses less digits than its factorization.

52660004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165005 (or 13165003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52660004 is about 7256.7212982173. The cubic root of 52660004 is about 374.8236302481.

Adding to 52660004 its reverse (40006625), we get a palindrome (92666629).

The spelling of 52660004 in words is "fifty-two million, six hundred sixty thousand, four".