51064068 has 48 divisors (see below), whose sum is σ = 134184960. Its totient is φ = 14973600.

The previous prime is 51064067. The next prime is 51064081. The reversal of 51064068 is 86046015.

It is not an unprimeable number, because it can be changed into a prime (51064063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148 + ... + 10331.

It is an arithmetic number, because the mean of its divisors is an integer number (2795520).

Almost surely, 2^51064068 is an apocalyptic number.

It is an amenable number.

51064068 is an abundant number, since it is smaller than the sum of its proper divisors (83120892).

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

51064068 is a wasteful number, since it uses less digits than its factorization.

51064068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12528 (or 12526 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 51064068 is about 7145.9126778880. The cubic root of 51064068 is about 370.9982006243.

The spelling of 51064068 in words is "fifty-one million, sixty-four thousand, sixty-eight".