51267012 has 24 divisors (see below), whose sum is σ = 123748800. Its totient is φ = 16499616.

The previous prime is 51267011. The next prime is 51267037. The reversal of 51267012 is 21076215.

It is not an unprimeable number, because it can be changed into a prime (51267011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73312 + ... + 74007.

It is an arithmetic number, because the mean of its divisors is an integer number (5156200).

Almost surely, 2^51267012 is an apocalyptic number.

It is an amenable number.

51267012 is an abundant number, since it is smaller than the sum of its proper divisors (72481788).

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

51267012 is a wasteful number, since it uses less digits than its factorization.

51267012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147355 (or 147353 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 51267012 is about 7160.0986026730. The cubic root of 51267012 is about 371.4890371834.

The spelling of 51267012 in words is "fifty-one million, two hundred sixty-seven thousand, twelve".