51085522 has 8 divisors (see below), whose sum is σ = 78258816. Its totient is φ = 24999252.

The previous prime is 51085513. The next prime is 51085537. The reversal of 51085522 is 22558015.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271638 + ... + 271825.

It is an arithmetic number, because the mean of its divisors is an integer number (9782352).

Almost surely, 2^51085522 is an apocalyptic number.

51085522 is a deficient number, since it is larger than the sum of its proper divisors (27173294).

51085522 is a wasteful number, since it uses less digits than its factorization.

51085522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543512.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 51085522 is about 7147.4136581004. The cubic root of 51085522 is about 371.0501502717.

The spelling of 51085522 in words is "fifty-one million, eighty-five thousand, five hundred twenty-two".