51878776 has 32 divisors (see below), whose sum is σ = 100180080. Its totient is φ = 25171200.

The previous prime is 51878737. The next prime is 51878789. The reversal of 51878776 is 67787815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90571 + ... + 91141.

Almost surely, 2^51878776 is an apocalyptic number.

It is an amenable number.

51878776 is a deficient number, since it is larger than the sum of its proper divisors (48301304).

51878776 is a wasteful number, since it uses less digits than its factorization.

51878776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895 (or 891 counting only the distinct ones).

The product of its digits is 658560, while the sum is 49.

The square root of 51878776 is about 7202.6922744207. The cubic root of 51878776 is about 372.9608451737.

It can be divided in two parts, 5 and 1878776, that added together give a palindrome (1878781).

The spelling of 51878776 in words is "fifty-one million, eight hundred seventy-eight thousand, seven hundred seventy-six".