51935261 has 8 divisors (see below), whose sum is σ = 61269504. Its totient is φ = 43079760.

The previous prime is 51935203. The next prime is 51935269. The reversal of 51935261 is 16253915.

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

It is a cyclic number.

It is not a de Polignac number, because 51935261 - 2¹⁴ = 51918877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51935269) 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, 119450 + ... + 119883.

It is an arithmetic number, because the mean of its divisors is an integer number (7658688).

Almost surely, 2^51935261 is an apocalyptic number.

It is an amenable number.

51935261 is a deficient number, since it is larger than the sum of its proper divisors (9334243).

51935261 is a wasteful number, since it uses less digits than its factorization.

51935261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239371.

The product of its digits is 8100, while the sum is 32.

The square root of 51935261 is about 7206.6123109267. The cubic root of 51935261 is about 373.0961545357.

The spelling of 51935261 in words is "fifty-one million, nine hundred thirty-five thousand, two hundred sixty-one".