51685341 has 8 divisors (see below), whose sum is σ = 69942624. Its totient is φ = 33942480.

The previous prime is 51685327. The next prime is 51685349. The reversal of 51685341 is 14358615.

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

It is not a de Polignac number, because 51685341 - 2⁷ = 51685213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51685349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128370 + ... + 128771.

It is an arithmetic number, because the mean of its divisors is an integer number (8742828).

Almost surely, 2^51685341 is an apocalyptic number.

It is an amenable number.

51685341 is a deficient number, since it is larger than the sum of its proper divisors (18257283).

51685341 is a wasteful number, since it uses less digits than its factorization.

51685341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257211.

The product of its digits is 14400, while the sum is 33.

The square root of 51685341 is about 7189.2517691343. The cubic root of 51685341 is about 372.4967277463.

The spelling of 51685341 in words is "fifty-one million, six hundred eighty-five thousand, three hundred forty-one".