51356135 has 8 divisors (see below), whose sum is σ = 61858080. Its totient is φ = 40931104.

The previous prime is 51356131. The next prime is 51356141. The reversal of 51356135 is 53165315.

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 51356135 - 2² = 51356131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51356098 and 51356107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51356131) 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, 17747 + ... + 20436.

It is an arithmetic number, because the mean of its divisors is an integer number (7732260).

Almost surely, 2^51356135 is an apocalyptic number.

51356135 is a deficient number, since it is larger than the sum of its proper divisors (10501945).

51356135 is a wasteful number, since it uses less digits than its factorization.

51356135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38457.

The product of its digits is 6750, while the sum is 29.

The square root of 51356135 is about 7166.3194877147. The cubic root of 51356135 is about 371.7041791072.

The spelling of 51356135 in words is "fifty-one million, three hundred fifty-six thousand, one hundred thirty-five".