51427308 has 12 divisors (see below), whose sum is σ = 119997080. Its totient is φ = 17142432.

The previous prime is 51427307. The next prime is 51427339. The reversal of 51427308 is 80372415.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (51427301) 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, 2142793 + ... + 2142816.

Almost surely, 2^51427308 is an apocalyptic number.

It is an amenable number.

51427308 is an abundant number, since it is smaller than the sum of its proper divisors (68569772).

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

51427308 is a wasteful number, since it uses less digits than its factorization.

51427308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285616 (or 4285614 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 51427308 is about 7171.2835671168. The cubic root of 51427308 is about 371.8758112451.

The spelling of 51427308 in words is "fifty-one million, four hundred twenty-seven thousand, three hundred eight".