51250648 has 32 divisors (see below), whose sum is σ = 102332160. Its totient is φ = 23979520.

The previous prime is 51250643. The next prime is 51250649. The reversal of 51250648 is 84605215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51250643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24990 + ... + 26962.

It is an arithmetic number, because the mean of its divisors is an integer number (3197880).

Almost surely, 2^51250648 is an apocalyptic number.

It is an amenable number.

51250648 is a deficient number, since it is larger than the sum of its proper divisors (51081512).

51250648 is a wasteful number, since it uses less digits than its factorization.

51250648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2187 (or 2183 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 51250648 is about 7158.9557897783. The cubic root of 51250648 is about 371.4495075829.

The spelling of 51250648 in words is "fifty-one million, two hundred fifty thousand, six hundred forty-eight".