51485922 has 16 divisors (see below), whose sum is σ = 114413280. Its totient is φ = 17161956.

The previous prime is 51485909. The next prime is 51485923. The reversal of 51485922 is 22958415.

It is not an unprimeable number, because it can be changed into a prime (51485923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476668 + ... + 476775.

It is an arithmetic number, because the mean of its divisors is an integer number (7150830).

Almost surely, 2^51485922 is an apocalyptic number.

51485922 is an abundant number, since it is smaller than the sum of its proper divisors (62927358).

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

51485922 is a wasteful number, since it uses less digits than its factorization.

51485922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953454 (or 953448 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 51485922 is about 7175.3691194251. The cubic root of 51485922 is about 372.0170387617.

It can be divided in two parts, 514 and 85922, that added together give a square (86436 = 294²).

The spelling of 51485922 in words is "fifty-one million, four hundred eighty-five thousand, nine hundred twenty-two".