51536734 has 4 divisors (see below), whose sum is σ = 77305104. Its totient is φ = 25768366.

The previous prime is 51536729. The next prime is 51536761. The reversal of 51536734 is 43763515.

51536734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51536734.

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 as a sum of consecutive naturals, namely, 12884182 + ... + 12884185.

It is an arithmetic number, because the mean of its divisors is an integer number (19326276).

Almost surely, 2^51536734 is an apocalyptic number.

51536734 is a deficient number, since it is larger than the sum of its proper divisors (25768370).

51536734 is a wasteful number, since it uses less digits than its factorization.

51536734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25768369.

The product of its digits is 37800, while the sum is 34.

The square root of 51536734 is about 7178.9089700316. The cubic root of 51536734 is about 372.1393810380.

It can be divided in two parts, 515 and 36734, that added together give a square (37249 = 193²).

The spelling of 51536734 in words is "fifty-one million, five hundred thirty-six thousand, seven hundred thirty-four".