51956090 has 8 divisors (see below), whose sum is σ = 93520980. Its totient is φ = 20782432.

The previous prime is 51956053. The next prime is 51956119. The reversal of 51956090 is 9065915.

51956090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49519369 + 2436721 = 7037^2 + 1561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 51956090.

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 3 ways as a sum of consecutive naturals, for example, 2597795 + ... + 2597814.

Almost surely, 2^51956090 is an apocalyptic number.

51956090 is a deficient number, since it is larger than the sum of its proper divisors (41564890).

51956090 is a wasteful number, since it uses less digits than its factorization.

51956090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195616.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 51956090 is about 7208.0572972195. The cubic root of 51956090 is about 373.1460254775.

The spelling of 51956090 in words is "fifty-one million, nine hundred fifty-six thousand, ninety".