51863734 has 12 divisors (see below), whose sum is σ = 84240756. Its totient is φ = 23936952.

The previous prime is 51863671. The next prime is 51863743. The reversal of 51863734 is 43736815.

51863734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 51863693 and 51863702.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 76384 + ... + 77059.

It is an arithmetic number, because the mean of its divisors is an integer number (7020063).

Almost surely, 2^51863734 is an apocalyptic number.

51863734 is a deficient number, since it is larger than the sum of its proper divisors (32377022).

51863734 is a wasteful number, since it uses less digits than its factorization.

51863734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153471 (or 153458 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 51863734 is about 7201.6480058387. The cubic root of 51863734 is about 372.9247956254.

It can be divided in two parts, 518637 and 34, that added together give a triangular number (518671 = T₁₀₁₈).

The spelling of 51863734 in words is "fifty-one million, eight hundred sixty-three thousand, seven hundred thirty-four".