51270912 has 324 divisors, whose sum is σ = 195782496. Its totient is φ = 12533760.

The previous prime is 51270881. The next prime is 51270913. The reversal of 51270912 is 21907215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51270913) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3015928 + ... + 3015944.

Almost surely, 2^51270912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51270912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97891248).

51270912 is an abundant number, since it is smaller than the sum of its proper divisors (144511584).

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

51270912 is a wasteful number, since it uses less digits than its factorization.

51270912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 40 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 51270912 is about 7160.3709401120. The cubic root of 51270912 is about 371.4984569542.

The spelling of 51270912 in words is "fifty-one million, two hundred seventy thousand, nine hundred twelve".