51528806 has 16 divisors (see below), whose sum is σ = 88598016. Its totient is φ = 22018056.

The previous prime is 51528797. The next prime is 51528811. The reversal of 51528806 is 60882515.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (5537376).

Almost surely, 2^51528806 is an apocalyptic number.

51528806 is a deficient number, since it is larger than the sum of its proper divisors (37069210).

51528806 is a wasteful number, since it uses less digits than its factorization.

51528806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963.

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 51528806 is about 7178.3567757531. The cubic root of 51528806 is about 372.1202977416.

The spelling of 51528806 in words is "fifty-one million, five hundred twenty-eight thousand, eight hundred six".