51250564 has 24 divisors (see below), whose sum is σ = 93139200. Its totient is φ = 24649440.

The previous prime is 51250541. The next prime is 51250567. The reversal of 51250564 is 46505215.

It is not an unprimeable number, because it can be changed into a prime (51250567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21042 + ... + 23350.

It is an arithmetic number, because the mean of its divisors is an integer number (3880800).

Almost surely, 2^51250564 is an apocalyptic number.

It is an amenable number.

51250564 is a deficient number, since it is larger than the sum of its proper divisors (41888636).

51250564 is a wasteful number, since it uses less digits than its factorization.

51250564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523 (or 2521 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 51250564 is about 7158.9499229985. The cubic root of 51250564 is about 371.4493046471.

Adding to 51250564 its reverse (46505215), we get a palindrome (97755779).

It can be divided in two parts, 512 and 50564, that added together give a square (51076 = 226²).

The spelling of 51250564 in words is "fifty-one million, two hundred fifty thousand, five hundred sixty-four".