51043135 has 16 divisors (see below), whose sum is σ = 71961120. Its totient is φ = 34266240.

The previous prime is 51043127. The next prime is 51043147. The reversal of 51043135 is 53134015.

It is a happy number.

It is not a de Polignac number, because 51043135 - 2³ = 51043127 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34980 + ... + 36409.

It is an arithmetic number, because the mean of its divisors is an integer number (4497570).

Almost surely, 2^51043135 is an apocalyptic number.

51043135 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51043135 is a deficient number, since it is larger than the sum of its proper divisors (20917985).

51043135 is a wasteful number, since it uses less digits than its factorization.

51043135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71418.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 51043135 is about 7144.4478443054. The cubic root of 51043135 is about 370.9474985222.

The spelling of 51043135 in words is "fifty-one million, forty-three thousand, one hundred thirty-five".