51343350 has 48 divisors (see below), whose sum is σ = 128630160. Its totient is φ = 13552000.

The previous prime is 51343319. The next prime is 51343351. The reversal of 51343350 is 5334315.

It is a happy number.

It is a super-2 number, since 2×51343350² = 5272279178445000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51343350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51343351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13456 + ... + 16844.

It is an arithmetic number, because the mean of its divisors is an integer number (2679795).

Almost surely, 2^51343350 is an apocalyptic number.

51343350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51343350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64315080).

51343350 is an abundant number, since it is smaller than the sum of its proper divisors (77286810).

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

51343350 is a wasteful number, since it uses less digits than its factorization.

51343350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505 (or 3500 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 51343350 is about 7165.4274122344. The cubic root of 51343350 is about 371.6733315604.

Adding to 51343350 its reverse (5334315), we get a palindrome (56677665).

The spelling of 51343350 in words is "fifty-one million, three hundred forty-three thousand, three hundred fifty".