51108822 has 24 divisors (see below), whose sum is σ = 116564760. Its totient is φ = 16139520.

The previous prime is 51108797. The next prime is 51108857. The reversal of 51108822 is 22880115.

It is a super-2 number, since 2×51108822² = 5224223372455368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74379 + ... + 75062.

It is an arithmetic number, because the mean of its divisors is an integer number (4856865).

Almost surely, 2^51108822 is an apocalyptic number.

51108822 is an abundant number, since it is smaller than the sum of its proper divisors (65455938).

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

51108822 is a wasteful number, since it uses less digits than its factorization.

51108822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149468 (or 149465 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 51108822 is about 7149.0434325160. The cubic root of 51108822 is about 371.1065534305.

Adding to 51108822 its reverse (22880115), we get a palindrome (73988937).

The spelling of 51108822 in words is "fifty-one million, one hundred eight thousand, eight hundred twenty-two".