52404164 has 6 divisors (see below), whose sum is σ = 91707294. Its totient is φ = 26202080.

The previous prime is 52404151. The next prime is 52404169. The reversal of 52404164 is 46140425.

It can be written as a sum of positive squares in only one way, i.e., 51955264 + 448900 = 7208^2 + 670^2 .

It is not an unprimeable number, because it can be changed into a prime (52404169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6550517 + ... + 6550524.

It is an arithmetic number, because the mean of its divisors is an integer number (15284549).

Almost surely, 2^52404164 is an apocalyptic number.

It is an amenable number.

52404164 is a deficient number, since it is larger than the sum of its proper divisors (39303130).

52404164 is a wasteful number, since it uses less digits than its factorization.

52404164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13101045 (or 13101043 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 52404164 is about 7239.0720399786. The cubic root of 52404164 is about 374.2156381776.

Adding to 52404164 its reverse (46140425), we get a palindrome (98544589).

The spelling of 52404164 in words is "fifty-two million, four hundred four thousand, one hundred sixty-four".