51227692 has 6 divisors (see below), whose sum is σ = 89648468. Its totient is φ = 25613844.

The previous prime is 51227653. The next prime is 51227699. The reversal of 51227692 is 29672215.

It is not an unprimeable number, because it can be changed into a prime (51227699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403458 + ... + 6403465.

Almost surely, 2^51227692 is an apocalyptic number.

It is an amenable number.

51227692 is a deficient number, since it is larger than the sum of its proper divisors (38420776).

51227692 is a wasteful number, since it uses less digits than its factorization.

51227692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806927 (or 12806925 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 51227692 is about 7157.3523037503. The cubic root of 51227692 is about 371.3940398723.

The spelling of 51227692 in words is "fifty-one million, two hundred twenty-seven thousand, six hundred ninety-two".