51161152 has 28 divisors (see below), whose sum is σ = 116027200. Its totient is φ = 21926016.

The previous prime is 51161141. The next prime is 51161207. The reversal of 51161152 is 25116115.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

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, 56652 + ... + 57547.

Almost surely, 2^51161152 is an apocalyptic number.

It is an amenable number.

51161152 is an abundant number, since it is smaller than the sum of its proper divisors (64866048).

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

51161152 is a wasteful number, since it uses less digits than its factorization.

51161152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114218 (or 114208 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 51161152 is about 7152.7024263561. The cubic root of 51161152 is about 371.2331681123.

Adding to 51161152 its reverse (25116115), we get a palindrome (76277267).

The spelling of 51161152 in words is "fifty-one million, one hundred sixty-one thousand, one hundred fifty-two".