51377678 has 16 divisors (see below), whose sum is σ = 84357504. Its totient is φ = 23274360.

The previous prime is 51377671. The next prime is 51377681. The reversal of 51377678 is 87677315.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51377671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 10557.

It is an arithmetic number, because the mean of its divisors is an integer number (5272344).

Almost surely, 2^51377678 is an apocalyptic number.

51377678 is a deficient number, since it is larger than the sum of its proper divisors (32979826).

51377678 is a wasteful number, since it uses less digits than its factorization.

51377678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its digits is 246960, while the sum is 44.

The square root of 51377678 is about 7167.8224029338. The cubic root of 51377678 is about 371.7561463078.

The spelling of 51377678 in words is "fifty-one million, three hundred seventy-seven thousand, six hundred seventy-eight".