51961264 has 20 divisors (see below), whose sum is σ = 102327280. Its totient is φ = 25554240.

The previous prime is 51961249. The next prime is 51961271. The reversal of 51961264 is 46216915.

51961264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 25644 + ... + 27595.

It is an arithmetic number, because the mean of its divisors is an integer number (5116364).

Almost surely, 2^51961264 is an apocalyptic number.

It is an amenable number.

51961264 is a deficient number, since it is larger than the sum of its proper divisors (50366016).

51961264 is a wasteful number, since it uses less digits than its factorization.

51961264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53308 (or 53302 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 51961264 is about 7208.4161922020. The cubic root of 51961264 is about 373.1584115356.

It can be divided in two parts, 51961 and 264, that added together give a palindrome (52225).

The spelling of 51961264 in words is "fifty-one million, nine hundred sixty-one thousand, two hundred sixty-four".