51321050 has 48 divisors (see below), whose sum is σ = 108689472. Its totient is φ = 17846400.

The previous prime is 51321041. The next prime is 51321077. The reversal of 51321050 is 5012315.

51321050 = T₂₁₀₁ + T₂₁₀₂ + ... + T₂₁₂₃.

51321050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 23 ways as a sum of consecutive naturals, for example, 10622 + ... + 14678.

It is an arithmetic number, because the mean of its divisors is an integer number (2264364).

Almost surely, 2^51321050 is an apocalyptic number.

51321050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51321050 is an abundant number, since it is smaller than the sum of its proper divisors (57368422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51321050 is a wasteful number, since it uses less digits than its factorization.

51321050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4098 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 51321050 is about 7163.8711602038. The cubic root of 51321050 is about 371.6195140388.

Adding to 51321050 its reverse (5012315), we get a palindrome (56333365).

The spelling of 51321050 in words is "fifty-one million, three hundred twenty-one thousand, fifty".