51456950 has 12 divisors (see below), whose sum is σ = 95710020. Its totient is φ = 20582760.

The previous prime is 51456949. The next prime is 51456961. The reversal of 51456950 is 5965415.

51456950 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 51456950.

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 in 5 ways as a sum of consecutive naturals, for example, 514520 + ... + 514619.

It is an arithmetic number, because the mean of its divisors is an integer number (7975835).

Almost surely, 2^51456950 is an apocalyptic number.

51456950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51456950 is a deficient number, since it is larger than the sum of its proper divisors (44253070).

51456950 is a wasteful number, since it uses less digits than its factorization.

51456950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029151 (or 1029146 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 51456950 is about 7173.3499844912. The cubic root of 51456950 is about 371.9472455734.

The spelling of 51456950 in words is "fifty-one million, four hundred fifty-six thousand, nine hundred fifty".