51608378 has 8 divisors (see below), whose sum is σ = 77467968. Its totient is φ = 25785724.

The previous prime is 51608363. The next prime is 51608383. The reversal of 51608378 is 87380615.

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, 5426 + ... + 11517.

It is an arithmetic number, because the mean of its divisors is an integer number (9683496).

Almost surely, 2^51608378 is an apocalyptic number.

51608378 is a deficient number, since it is larger than the sum of its proper divisors (25859590).

51608378 is a wasteful number, since it uses less digits than its factorization.

51608378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18468.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 51608378 is about 7183.8971317802. The cubic root of 51608378 is about 372.3117448823.

The spelling of 51608378 in words is "fifty-one million, six hundred eight thousand, three hundred seventy-eight".