51695050 has 48 divisors (see below), whose sum is σ = 105653952. Its totient is φ = 18662400.

The previous prime is 51695047. The next prime is 51695051. The reversal of 51695050 is 5059615.

It is a happy number.

51695050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (51695051) 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 23 ways as a sum of consecutive naturals, for example, 105907 + ... + 106393.

It is an arithmetic number, because the mean of its divisors is an integer number (2201124).

Almost surely, 2^51695050 is an apocalyptic number.

51695050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51695050 is an abundant number, since it is smaller than the sum of its proper divisors (53958902).

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

51695050 is a wasteful number, since it uses less digits than its factorization.

51695050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 51695050 is about 7189.9269815486. The cubic root of 51695050 is about 372.5200505700.

The spelling of 51695050 in words is "fifty-one million, six hundred ninety-five thousand, fifty".