51261162 has 8 divisors (see below), whose sum is σ = 102522336. Its totient is φ = 17087052.

The previous prime is 51261157. The next prime is 51261179. The reversal of 51261162 is 26116215.

It is a sphenic number, since it is the product of 3 distinct primes.

51261162 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4271758 + ... + 4271769.

It is an arithmetic number, because the mean of its divisors is an integer number (12815292).

Almost surely, 2^51261162 is an apocalyptic number.

51261162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51261162 is a wasteful number, since it uses less digits than its factorization.

51261162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8543532.

The product of its digits is 720, while the sum is 24.

The square root of 51261162 is about 7159.6900770913. The cubic root of 51261162 is about 371.4749066315.

Adding to 51261162 its reverse (26116215), we get a palindrome (77377377).

The spelling of 51261162 in words is "fifty-one million, two hundred sixty-one thousand, one hundred sixty-two".