51056168 has 16 divisors (see below), whose sum is σ = 101361780. Its totient is φ = 24026368.

The previous prime is 51056167. The next prime is 51056197. The reversal of 51056168 is 86165015.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49308484 + 1747684 = 7022^2 + 1322^2 .

It is not an unprimeable number, because it can be changed into a prime (51056167) 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, 187571 + ... + 187842.

Almost surely, 2^51056168 is an apocalyptic number.

It is an amenable number.

51056168 is a deficient number, since it is larger than the sum of its proper divisors (50305612).

51056168 is a wasteful number, since it uses less digits than its factorization.

51056168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375436 (or 375432 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 51056168 is about 7145.3598929655. The cubic root of 51056168 is about 370.9790675558.

The spelling of 51056168 in words is "fifty-one million, fifty-six thousand, one hundred sixty-eight".