51525851 has 8 divisors (see below), whose sum is σ = 55560960. Its totient is φ = 47500992.

The previous prime is 51525833. The next prime is 51525863. The reversal of 51525851 is 15852515.

51525851 = T₂₈₀₉ + T₂₈₁₀ + ... + T₂₈₂₁.

51525851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51525851 - 2⁶ = 51525787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51521851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10310 + ... + 14468.

It is an arithmetic number, because the mean of its divisors is an integer number (6945120).

Almost surely, 2^51525851 is an apocalyptic number.

51525851 is a deficient number, since it is larger than the sum of its proper divisors (4035109).

51525851 is a wasteful number, since it uses less digits than its factorization.

51525851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 10000, while the sum is 32.

The square root of 51525851 is about 7178.1509457520. The cubic root of 51525851 is about 372.1131843320.

The spelling of 51525851 in words is "fifty-one million, five hundred twenty-five thousand, eight hundred fifty-one".