51528426 has 8 divisors (see below), whose sum is σ = 103056864. Its totient is φ = 17176140.

The previous prime is 51528413. The next prime is 51528467. The reversal of 51528426 is 62482515.

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

51528426 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4294030 + ... + 4294041.

It is an arithmetic number, because the mean of its divisors is an integer number (12882108).

Almost surely, 2^51528426 is an apocalyptic number.

51528426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51528426 is a wasteful number, since it uses less digits than its factorization.

51528426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588076.

The product of its digits is 19200, while the sum is 33.

The square root of 51528426 is about 7178.3303072511. The cubic root of 51528426 is about 372.1193830036.

The spelling of 51528426 in words is "fifty-one million, five hundred twenty-eight thousand, four hundred twenty-six".