51235293 has 8 divisors (see below), whose sum is σ = 68574528. Its totient is φ = 34026464.

The previous prime is 51235291. The next prime is 51235309. The reversal of 51235293 is 39253215.

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 51235293 - 2¹ = 51235291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51235293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51235291) 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, 31680 + ... + 33257.

It is an arithmetic number, because the mean of its divisors is an integer number (8571816).

Almost surely, 2^51235293 is an apocalyptic number.

It is an amenable number.

51235293 is a deficient number, since it is larger than the sum of its proper divisors (17339235).

51235293 is a wasteful number, since it uses less digits than its factorization.

51235293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65203.

The product of its digits is 8100, while the sum is 30.

The square root of 51235293 is about 7157.8832765001. The cubic root of 51235293 is about 371.4124077145.

The spelling of 51235293 in words is "fifty-one million, two hundred thirty-five thousand, two hundred ninety-three".