51343752 has 16 divisors (see below), whose sum is σ = 128359440. Its totient is φ = 17114576.

The previous prime is 51343741. The next prime is 51343771. The reversal of 51343752 is 25734315.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069638 + ... + 1069685.

It is an arithmetic number, because the mean of its divisors is an integer number (8022465).

Almost surely, 2^51343752 is an apocalyptic number.

It is an amenable number.

51343752 is an abundant number, since it is smaller than the sum of its proper divisors (77015688).

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

51343752 is a wasteful number, since it uses less digits than its factorization.

51343752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139332 (or 2139328 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 51343752 is about 7165.4554635417. The cubic root of 51343752 is about 371.6743015808.

The spelling of 51343752 in words is "fifty-one million, three hundred forty-three thousand, seven hundred fifty-two".