51851795 has 8 divisors (see below), whose sum is σ = 62264160. Its totient is φ = 41453440.

The previous prime is 51851753. The next prime is 51851801. The reversal of 51851795 is 59715815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51851795 - 2¹⁴ = 51835411 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8210 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (7783020).

Almost surely, 2^51851795 is an apocalyptic number.

51851795 is a deficient number, since it is larger than the sum of its proper divisors (10412365).

51851795 is a wasteful number, since it uses less digits than its factorization.

51851795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7005.

The product of its digits is 63000, while the sum is 41.

The square root of 51851795 is about 7200.8190506358. The cubic root of 51851795 is about 372.8961777424.

Adding to 51851795 its sum of digits (41), we get a triangular number (51851836 = T₁₀₁₈₃).

The spelling of 51851795 in words is "fifty-one million, eight hundred fifty-one thousand, seven hundred ninety-five".