51308366 has 16 divisors (see below), whose sum is σ = 79984800. Its totient is φ = 24655008.

The previous prime is 51308357. The next prime is 51308393. The reversal of 51308366 is 66380315.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11351 + ... + 15213.

It is an arithmetic number, because the mean of its divisors is an integer number (4999050).

Almost surely, 2^51308366 is an apocalyptic number.

51308366 is a deficient number, since it is larger than the sum of its proper divisors (28676434).

51308366 is a wasteful number, since it uses less digits than its factorization.

51308366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 51308366 is about 7162.9858299455. The cubic root of 51308366 is about 371.5888962560.

The spelling of 51308366 in words is "fifty-one million, three hundred eight thousand, three hundred sixty-six".