52011604 has 6 divisors (see below), whose sum is σ = 91020314. Its totient is φ = 26005800.

The previous prime is 52011599. The next prime is 52011611. The reversal of 52011604 is 40611025.

It can be written as a sum of positive squares in only one way, i.e., 47610000 + 4401604 = 6900^2 + 2098^2 .

It is a congruent number.

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, 6501447 + ... + 6501454.

Almost surely, 2^52011604 is an apocalyptic number.

It is an amenable number.

52011604 is a deficient number, since it is larger than the sum of its proper divisors (39008710).

52011604 is a wasteful number, since it uses less digits than its factorization.

52011604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13002905 (or 13002903 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 52011604 is about 7211.9070986806. The cubic root of 52011604 is about 373.2788777574.

Adding to 52011604 its reverse (40611025), we get a palindrome (92622629).

The spelling of 52011604 in words is "fifty-two million, eleven thousand, six hundred four".