51262528 has 14 divisors (see below), whose sum is σ = 101724206. Its totient is φ = 25631232.

The previous prime is 51262511. The next prime is 51262529. The reversal of 51262528 is 82526215.

It can be written as a sum of positive squares in only one way, i.e., 36578304 + 14684224 = 6048^2 + 3832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51262528.

It is not an unprimeable number, because it can be changed into a prime (51262529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400425 + ... + 400552.

Almost surely, 2^51262528 is an apocalyptic number.

It is an amenable number.

51262528 is a deficient number, since it is larger than the sum of its proper divisors (50461678).

51262528 is an equidigital number, since it uses as much as digits as its factorization.

51262528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800989 (or 800979 counting only the distinct ones).

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

The square root of 51262528 is about 7159.7854716465. The cubic root of 51262528 is about 371.4782062719.

The spelling of 51262528 in words is "fifty-one million, two hundred sixty-two thousand, five hundred twenty-eight".