51923692 has 12 divisors (see below), whose sum is σ = 91130760. Its totient is φ = 25886336.

The previous prime is 51923687. The next prime is 51923699. The reversal of 51923692 is 29632915.

It is not an unprimeable number, because it can be changed into a prime (51923699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17317 + ... + 20092.

It is an arithmetic number, because the mean of its divisors is an integer number (7594230).

Almost surely, 2^51923692 is an apocalyptic number.

It is an amenable number.

51923692 is a deficient number, since it is larger than the sum of its proper divisors (39207068).

51923692 is a wasteful number, since it uses less digits than its factorization.

51923692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37760 (or 37758 counting only the distinct ones).

The product of its digits is 29160, while the sum is 37.

The square root of 51923692 is about 7205.8096005931. The cubic root of 51923692 is about 373.0684490817.

The spelling of 51923692 in words is "fifty-one million, nine hundred twenty-three thousand, six hundred ninety-two".