51670512 has 60 divisors (see below), whose sum is σ = 150902544. Its totient is φ = 16473600.

The previous prime is 51670501. The next prime is 51670513. The reversal of 51670512 is 21507615.

51670512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51670513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4489 + ... + 11112.

Almost surely, 2^51670512 is an apocalyptic number.

It is an amenable number.

51670512 is an abundant number, since it is smaller than the sum of its proper divisors (99232032).

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

51670512 is a wasteful number, since it uses less digits than its factorization.

51670512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15638 (or 15629 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 51670512 is about 7188.2203639009. The cubic root of 51670512 is about 372.4611000923.

The spelling of 51670512 in words is "fifty-one million, six hundred seventy thousand, five hundred twelve".