52577972 has 12 divisors (see below), whose sum is σ = 92214276. Its totient is φ = 26231040.

The previous prime is 52577969. The next prime is 52578011. The reversal of 52577972 is 27977525.

It can be written as a sum of positive squares in 2 ways, for example, as 36529936 + 16048036 = 6044^2 + 4006^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 12413 + ... + 16100.

It is an arithmetic number, because the mean of its divisors is an integer number (7684523).

Almost surely, 2^52577972 is an apocalyptic number.

It is an amenable number.

52577972 is a deficient number, since it is larger than the sum of its proper divisors (39636304).

52577972 is a wasteful number, since it uses less digits than its factorization.

52577972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28978 (or 28976 counting only the distinct ones).

The product of its digits is 308700, while the sum is 44.

The square root of 52577972 is about 7251.0669559728. The cubic root of 52577972 is about 374.6288998432.

The spelling of 52577972 in words is "fifty-two million, five hundred seventy-seven thousand, nine hundred seventy-two".