51951460 has 24 divisors (see below), whose sum is σ = 119016576. Its totient is φ = 18891360.

The previous prime is 51951451. The next prime is 51951463. The reversal of 51951460 is 6415915.

51951460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51951460² = 5397908392263200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51951463) 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 7 ways as a sum of consecutive naturals, for example, 117852 + ... + 118291.

It is an arithmetic number, because the mean of its divisors is an integer number (4959024).

Almost surely, 2^51951460 is an apocalyptic number.

It is an amenable number.

51951460 is an abundant number, since it is smaller than the sum of its proper divisors (67065116).

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

51951460 is a wasteful number, since it uses less digits than its factorization.

51951460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236163 (or 236161 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 51951460 is about 7207.7361216959. The cubic root of 51951460 is about 373.1349410058.

The spelling of 51951460 in words is "fifty-one million, nine hundred fifty-one thousand, four hundred sixty".