51881734 has 8 divisors (see below), whose sum is σ = 77871600. Its totient is φ = 25924536.

The previous prime is 51881729. The next prime is 51881737. The reversal of 51881734 is 43718815.

51881734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 51881693 and 51881702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51881737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3709 + ... + 10840.

It is an arithmetic number, because the mean of its divisors is an integer number (9733950).

Almost surely, 2^51881734 is an apocalyptic number.

51881734 is a deficient number, since it is larger than the sum of its proper divisors (25989866).

51881734 is a wasteful number, since it uses less digits than its factorization.

51881734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16334.

The product of its digits is 26880, while the sum is 37.

The square root of 51881734 is about 7202.8976113784. The cubic root of 51881734 is about 372.9679334752.

The spelling of 51881734 in words is "fifty-one million, eight hundred eighty-one thousand, seven hundred thirty-four".