51208336 has 15 divisors (see below), whose sum is σ = 99271641. Its totient is φ = 25589856.

The previous prime is 51208277. The next prime is 51208343. The reversal of 51208336 is 63380215.

The square root of 51208336 is 7156.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 48385936 + 2822400 = 6956^2 + 1680^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 27730 + ... + 29518.

Almost surely, 2^51208336 is an apocalyptic number.

51208336 is the 7156-th square number.

It is an amenable number.

51208336 is a deficient number, since it is larger than the sum of its proper divisors (48063305).

51208336 is an frugal number, since it uses more digits than its factorization.

51208336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 51208336 is about 371.3472578270.

It can be divided in two parts, 5120 and 8336, that added together give a square (13456 = 116²).

The spelling of 51208336 in words is "fifty-one million, two hundred eight thousand, three hundred thirty-six".