51967535 has 4 divisors (see below), whose sum is σ = 62361048. Its totient is φ = 41574024.

The previous prime is 51967529. The next prime is 51967537. The reversal of 51967535 is 53576915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51967535 - 2⁴ = 51967519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51967492 and 51967501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51967537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5196749 + ... + 5196758.

It is an arithmetic number, because the mean of its divisors is an integer number (15590262).

Almost surely, 2^51967535 is an apocalyptic number.

51967535 is a deficient number, since it is larger than the sum of its proper divisors (10393513).

51967535 is a wasteful number, since it uses less digits than its factorization.

51967535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10393512.

The product of its digits is 141750, while the sum is 41.

The square root of 51967535 is about 7208.8511567378. The cubic root of 51967535 is about 373.1734226040.

The spelling of 51967535 in words is "fifty-one million, nine hundred sixty-seven thousand, five hundred thirty-five".