52672320 has 84 divisors (see below), whose sum is σ = 181180740. Its totient is φ = 14045184.

The previous prime is 52672303. The next prime is 52672337. The reversal of 52672320 is 2327625.

It is an interprime number because it is at equal distance from previous prime (52672303) and next prime (52672337).

It can be written as a sum of positive squares in 2 ways, for example, as 39538944 + 13133376 = 6288^2 + 3624^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6265 + ... + 12024.

Almost surely, 2^52672320 is an apocalyptic number.

It is an amenable number.

52672320 is an abundant number, since it is smaller than the sum of its proper divisors (128508420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52672320 is a wasteful number, since it uses less digits than its factorization.

52672320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312 (or 18299 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 52672320 is about 7257.5698412072. The cubic root of 52672320 is about 374.8528489317.

Adding to 52672320 its reverse (2327625), we get a palindrome (54999945).

The spelling of 52672320 in words is "fifty-two million, six hundred seventy-two thousand, three hundred twenty".