51696234 has 24 divisors (see below), whose sum is σ = 114615072. Its totient is φ = 16831080.

The previous prime is 51696223. The next prime is 51696259. The reversal of 51696234 is 43269615.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32622 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (4775628).

Almost surely, 2^51696234 is an apocalyptic number.

51696234 is an abundant number, since it is smaller than the sum of its proper divisors (62918838).

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

51696234 is a wasteful number, since it uses less digits than its factorization.

51696234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66842 (or 66839 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 51696234 is about 7190.0093184919. The cubic root of 51696234 is about 372.5228945585.

The spelling of 51696234 in words is "fifty-one million, six hundred ninety-six thousand, two hundred thirty-four".