51790038 has 8 divisors (see below), whose sum is σ = 103580088. Its totient is φ = 17263344.

The previous prime is 51790031. The next prime is 51790049. The reversal of 51790038 is 83009715.

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

51790038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 51789990 and 51790008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51790031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4315831 + ... + 4315842.

It is an arithmetic number, because the mean of its divisors is an integer number (12947511).

Almost surely, 2^51790038 is an apocalyptic number.

51790038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51790038 is a wasteful number, since it uses less digits than its factorization.

51790038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8631678.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 51790038 is about 7196.5295802908. The cubic root of 51790038 is about 372.7480755213.

The spelling of 51790038 in words is "fifty-one million, seven hundred ninety thousand, thirty-eight".