51234668 has 24 divisors (see below), whose sum is σ = 95239872. Its totient is φ = 24033024.

The previous prime is 51234643. The next prime is 51234671. The reversal of 51234668 is 86643215.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23930 + ... + 25982.

It is an arithmetic number, because the mean of its divisors is an integer number (3968328).

Almost surely, 2^51234668 is an apocalyptic number.

It is an amenable number.

51234668 is a deficient number, since it is larger than the sum of its proper divisors (44005204).

51234668 is a wasteful number, since it uses less digits than its factorization.

51234668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2439 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 51234668 is about 7157.8396182088. The cubic root of 51234668 is about 371.4108974684.

The spelling of 51234668 in words is "fifty-one million, two hundred thirty-four thousand, six hundred sixty-eight".