51773572 has 6 divisors (see below), whose sum is σ = 90603758. Its totient is φ = 25886784.

The previous prime is 51773569. The next prime is 51773581. The reversal of 51773572 is 27537715.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 23193856 = 5346^2 + 4816^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471693 + ... + 6471700.

Almost surely, 2^51773572 is an apocalyptic number.

It is an amenable number.

51773572 is a deficient number, since it is larger than the sum of its proper divisors (38830186).

51773572 is a wasteful number, since it uses less digits than its factorization.

51773572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943397 (or 12943395 counting only the distinct ones).

The product of its digits is 51450, while the sum is 37.

The square root of 51773572 is about 7195.3854656995. The cubic root of 51773572 is about 372.7085677921.

The spelling of 51773572 in words is "fifty-one million, seven hundred seventy-three thousand, five hundred seventy-two".