51273308 has 12 divisors (see below), whose sum is σ = 89915952. Its totient is φ = 25583040.

The previous prime is 51273307. The next prime is 51273311. The reversal of 51273308 is 80337215.

It is a super-2 number, since 2×51273308² = 5257904226525728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51273307) 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, 11213 + ... + 15108.

It is an arithmetic number, because the mean of its divisors is an integer number (7492996).

Almost surely, 2^51273308 is an apocalyptic number.

It is an amenable number.

51273308 is a deficient number, since it is larger than the sum of its proper divisors (38642644).

51273308 is a wasteful number, since it uses less digits than its factorization.

51273308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26812 (or 26810 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 51273308 is about 7160.5382479252. The cubic root of 51273308 is about 371.5042438381.

The spelling of 51273308 in words is "fifty-one million, two hundred seventy-three thousand, three hundred eight".