51160778 has 8 divisors (see below), whose sum is σ = 76772772. Its totient is φ = 25569856.

The previous prime is 51160777. The next prime is 51160793. The reversal of 51160778 is 87706115.

It can be written as a sum of positive squares in 2 ways, for example, as 45792289 + 5368489 = 6767^2 + 2317^2 .

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

It is not an unprimeable number, because it can be changed into a prime (51160777) 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, 4226 + ... + 10962.

Almost surely, 2^51160778 is an apocalyptic number.

51160778 is a deficient number, since it is larger than the sum of its proper divisors (25611994).

51160778 is a wasteful number, since it uses less digits than its factorization.

51160778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 51160778 is about 7152.6762823436. The cubic root of 51160778 is about 371.2322635097.

The spelling of 51160778 in words is "fifty-one million, one hundred sixty thousand, seven hundred seventy-eight".