51323996 has 6 divisors (see below), whose sum is σ = 89817000. Its totient is φ = 25661996.

The previous prime is 51323989. The next prime is 51324023. The reversal of 51323996 is 69932315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6415496 + ... + 6415503.

It is an arithmetic number, because the mean of its divisors is an integer number (14969500).

Almost surely, 2^51323996 is an apocalyptic number.

It is an amenable number.

51323996 is a deficient number, since it is larger than the sum of its proper divisors (38493004).

51323996 is a wasteful number, since it uses less digits than its factorization.

51323996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831003 (or 12831001 counting only the distinct ones).

The product of its digits is 43740, while the sum is 38.

The square root of 51323996 is about 7164.0767723413. The cubic root of 51323996 is about 371.6266246373.

The spelling of 51323996 in words is "fifty-one million, three hundred twenty-three thousand, nine hundred ninety-six".