51394360 has 64 divisors (see below), whose sum is σ = 119070720. Its totient is φ = 19958400.

The previous prime is 51394327. The next prime is 51394363. The reversal of 51394360 is 6349315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51394363) 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 15 ways as a sum of consecutive naturals, for example, 340285 + ... + 340435.

It is an arithmetic number, because the mean of its divisors is an integer number (1860480).

Almost surely, 2^51394360 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 51394360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59535360).

51394360 is an abundant number, since it is smaller than the sum of its proper divisors (67676360).

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

51394360 is a wasteful number, since it uses less digits than its factorization.

51394360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 51394360 is about 7168.9859812947. The cubic root of 51394360 is about 371.7963775599.

The spelling of 51394360 in words is "fifty-one million, three hundred ninety-four thousand, three hundred sixty".