51374438 has 8 divisors (see below), whose sum is σ = 77128632. Its totient is φ = 25664896.

The previous prime is 51374419. The next prime is 51374473. The reversal of 51374438 is 83447315.

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

It is a junction number, because it is equal to n+sod(n) for n = 51374398 and 51374407.

It is a congruent number.

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, 8120 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (9641079).

Almost surely, 2^51374438 is an apocalyptic number.

51374438 is a deficient number, since it is larger than the sum of its proper divisors (25754194).

51374438 is a wasteful number, since it uses less digits than its factorization.

51374438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22326.

The product of its digits is 40320, while the sum is 35.

The square root of 51374438 is about 7167.5963893065. The cubic root of 51374438 is about 371.7483315312.

The spelling of 51374438 in words is "fifty-one million, three hundred seventy-four thousand, four hundred thirty-eight".