51364160 has 56 divisors (see below), whose sum is σ = 123236736. Its totient is φ = 20390400.

The previous prime is 51364153. The next prime is 51364171. The reversal of 51364160 is 6146315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47789 + ... + 48851.

It is an arithmetic number, because the mean of its divisors is an integer number (2200656).

Almost surely, 2^51364160 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 51364160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61618368).

51364160 is an abundant number, since it is smaller than the sum of its proper divisors (71872576).

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

51364160 is a wasteful number, since it uses less digits than its factorization.

51364160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 51364160 is about 7166.8793766883. The cubic root of 51364160 is about 371.7235391485.

The spelling of 51364160 in words is "fifty-one million, three hundred sixty-four thousand, one hundred sixty".