51047622 has 48 divisors (see below), whose sum is σ = 114470928. Its totient is φ = 16430400.

The previous prime is 51047609. The next prime is 51047663. The reversal of 51047622 is 22674015.

51047622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 77848 + ... + 78500.

It is an arithmetic number, because the mean of its divisors is an integer number (2384811).

Almost surely, 2^51047622 is an apocalyptic number.

51047622 is an abundant number, since it is smaller than the sum of its proper divisors (63423306).

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

51047622 is a wasteful number, since it uses less digits than its factorization.

51047622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 51047622 is about 7144.7618574729. The cubic root of 51047622 is about 370.9583677125.

The spelling of 51047622 in words is "fifty-one million, forty-seven thousand, six hundred twenty-two".