51957260 has 24 divisors (see below), whose sum is σ = 109317600. Its totient is φ = 20743424.

The previous prime is 51957233. The next prime is 51957277. The reversal of 51957260 is 6275915.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 51957260.

It is an unprimeable number.

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, 9812 + ... + 14148.

It is an arithmetic number, because the mean of its divisors is an integer number (4554900).

Almost surely, 2^51957260 is an apocalyptic number.

It is an amenable number.

51957260 is an abundant number, since it is smaller than the sum of its proper divisors (57360340).

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

51957260 is a wasteful number, since it uses less digits than its factorization.

51957260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4945 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 51957260 is about 7208.1384559399. The cubic root of 51957260 is about 373.1488264168.

The spelling of 51957260 in words is "fifty-one million, nine hundred fifty-seven thousand, two hundred sixty".