51052160 has 32 divisors (see below), whose sum is σ = 122048100. Its totient is φ = 20420608.

The previous prime is 51052147. The next prime is 51052163. The reversal of 51052160 is 6125015.

It can be written as a sum of positive squares in 2 ways, for example, as 49224256 + 1827904 = 7016^2 + 1352^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (51052163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39245 + ... + 40524.

Almost surely, 2^51052160 is an apocalyptic number.

It is an amenable number.

51052160 is an abundant number, since it is smaller than the sum of its proper divisors (70995940).

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

51052160 is an equidigital number, since it uses as much as digits as its factorization.

51052160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79788 (or 79776 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 51052160 is about 7145.0794257307. The cubic root of 51052160 is about 370.9693597962.

Adding to 51052160 its reverse (6125015), we get a palindrome (57177175).

The spelling of 51052160 in words is "fifty-one million, fifty-two thousand, one hundred sixty".