51695150 has 24 divisors (see below), whose sum is σ = 103550664. Its totient is φ = 19087200.

The previous prime is 51695141. The next prime is 51695153. The reversal of 51695150 is 5159615.

51695150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51695153) 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 11 ways as a sum of consecutive naturals, for example, 39116 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (4314611).

Almost surely, 2^51695150 is an apocalyptic number.

51695150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51695150 is an abundant number, since it is smaller than the sum of its proper divisors (51855514).

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

51695150 is a wasteful number, since it uses less digits than its factorization.

51695150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79556 (or 79551 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 32.

The square root of 51695150 is about 7189.9339357187. The cubic root of 51695150 is about 372.5202907734.

The spelling of 51695150 in words is "fifty-one million, six hundred ninety-five thousand, one hundred fifty".