51798160 has 20 divisors (see below), whose sum is σ = 120430908. Its totient is φ = 20719232.

The previous prime is 51798157. The next prime is 51798163. The reversal of 51798160 is 6189715.

It is an interprime number because it is at equal distance from previous prime (51798157) and next prime (51798163).

It can be written as a sum of positive squares in 2 ways, for example, as 24088464 + 27709696 = 4908^2 + 5264^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (51798163) 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, 323659 + ... + 323818.

Almost surely, 2^51798160 is an apocalyptic number.

It is an amenable number.

51798160 is an abundant number, since it is smaller than the sum of its proper divisors (68632748).

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

51798160 is a wasteful number, since it uses less digits than its factorization.

51798160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647490 (or 647484 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 51798160 is about 7197.0938579402. The cubic root of 51798160 is about 372.7675599739.

The spelling of 51798160 in words is "fifty-one million, seven hundred ninety-eight thousand, one hundred sixty".