51695080 has 32 divisors (see below), whose sum is σ = 116713800. Its totient is φ = 20606976.

The previous prime is 51695071. The next prime is 51695093. The reversal of 51695080 is 8059615.

51695080 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 4 ways, for example, as 25623844 + 26071236 = 5062^2 + 5106^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 10456 + ... + 14584.

Almost surely, 2^51695080 is an apocalyptic number.

It is an amenable number.

51695080 is an abundant number, since it is smaller than the sum of its proper divisors (65018720).

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

51695080 is a wasteful number, since it uses less digits than its factorization.

51695080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 51695080 is about 7189.9290678003. The cubic root of 51695080 is about 372.5201226311.

The spelling of 51695080 in words is "fifty-one million, six hundred ninety-five thousand, eighty".