51983270 has 16 divisors (see below), whose sum is σ = 94536288. Its totient is φ = 20578560.

The previous prime is 51983251. The next prime is 51983273. The reversal of 51983270 is 7238915.

51983270 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51983270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51983273) 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 7 ways as a sum of consecutive naturals, for example, 25826 + ... + 27765.

It is an arithmetic number, because the mean of its divisors is an integer number (5908518).

Almost surely, 2^51983270 is an apocalyptic number.

51983270 is a deficient number, since it is larger than the sum of its proper divisors (42553018).

51983270 is a wasteful number, since it uses less digits than its factorization.

51983270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53695.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 51983270 is about 7209.9424408243. The cubic root of 51983270 is about 373.2110825986.

The spelling of 51983270 in words is "fifty-one million, nine hundred eighty-three thousand, two hundred seventy".