51043412 has 24 divisors (see below), whose sum is σ = 102312000. Its totient is φ = 21827520.

The previous prime is 51043411. The next prime is 51043427. The reversal of 51043412 is 21434015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51043411) 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, 12839 + ... + 16337.

It is an arithmetic number, because the mean of its divisors is an integer number (4263000).

Almost surely, 2^51043412 is an apocalyptic number.

It is an amenable number.

51043412 is an abundant number, since it is smaller than the sum of its proper divisors (51268588).

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

51043412 is a wasteful number, since it uses less digits than its factorization.

51043412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4031 (or 4029 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 51043412 is about 7144.4672299619. The cubic root of 51043412 is about 370.9481695381.

Adding to 51043412 its reverse (21434015), we get a palindrome (72477427).

The spelling of 51043412 in words is "fifty-one million, forty-three thousand, four hundred twelve".