51143350 has 24 divisors (see below), whose sum is σ = 95315328. Its totient is φ = 20416800.

The previous prime is 51143291. The next prime is 51143353. The reversal of 51143350 is 5334115.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51143353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46507 + ... + 47593.

It is an arithmetic number, because the mean of its divisors is an integer number (3971472).

Almost surely, 2^51143350 is an apocalyptic number.

51143350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51143350 is a deficient number, since it is larger than the sum of its proper divisors (44171978).

51143350 is a wasteful number, since it uses less digits than its factorization.

51143350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51143350 is about 7151.4578933250. The cubic root of 51143350 is about 371.1901051028.

Adding to 51143350 its reverse (5334115), we get a palindrome (56477465).

It can be divided in two parts, 5114 and 3350, that added together give a square (8464 = 92²).

The spelling of 51143350 in words is "fifty-one million, one hundred forty-three thousand, three hundred fifty".