51060778 has 8 divisors (see below), whose sum is σ = 76712580. Its totient is φ = 25489920.

The previous prime is 51060769. The next prime is 51060797. The reversal of 51060778 is 87706015.

It can be written as a sum of positive squares in 2 ways, for example, as 39275289 + 11785489 = 6267^2 + 3433^2 .

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

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, 18633 + ... + 21196.

Almost surely, 2^51060778 is an apocalyptic number.

51060778 is a deficient number, since it is larger than the sum of its proper divisors (25651802).

51060778 is a wasteful number, since it uses less digits than its factorization.

51060778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40472.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 51060778 is about 7145.6824726544. The cubic root of 51060778 is about 370.9902327887.

The spelling of 51060778 in words is "fifty-one million, sixty thousand, seven hundred seventy-eight".