51335678 has 8 divisors (see below), whose sum is σ = 80351568. Its totient is φ = 24551824.

The previous prime is 51335671. The next prime is 51335689. The reversal of 51335678 is 87653315.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51335671) 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, 557951 + ... + 558042.

It is an arithmetic number, because the mean of its divisors is an integer number (10043946).

Almost surely, 2^51335678 is an apocalyptic number.

51335678 is a deficient number, since it is larger than the sum of its proper divisors (29015890).

51335678 is a wasteful number, since it uses less digits than its factorization.

51335678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116018.

The product of its digits is 75600, while the sum is 38.

The square root of 51335678 is about 7164.8920438483. The cubic root of 51335678 is about 371.6548181610.

The spelling of 51335678 in words is "fifty-one million, three hundred thirty-five thousand, six hundred seventy-eight".