51969114 has 40 divisors (see below), whose sum is σ = 117285300. Its totient is φ = 17198784.

The previous prime is 51969109. The next prime is 51969139. The reversal of 51969114 is 41196915.

It can be written as a sum of positive squares in 2 ways, for example, as 41177889 + 10791225 = 6417^2 + 3285^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23062 + ... + 25214.

Almost surely, 2^51969114 is an apocalyptic number.

51969114 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51969114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58642650).

51969114 is an abundant number, since it is smaller than the sum of its proper divisors (65316186).

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

51969114 is a wasteful number, since it uses less digits than its factorization.

51969114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2307 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 51969114 is about 7208.9606740500. The cubic root of 51969114 is about 373.1772021102.

It can be divided in two parts, 5196911 and 4, that added together give a palindrome (5196915).

The spelling of 51969114 in words is "fifty-one million, nine hundred sixty-nine thousand, one hundred fourteen".