51383135 has 4 divisors (see below), whose sum is σ = 61659768. Its totient is φ = 41106504.

The previous prime is 51383093. The next prime is 51383147. The reversal of 51383135 is 53138315.

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 51383135 - 2⁶ = 51383071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51383098 and 51383107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5138309 + ... + 5138318.

It is an arithmetic number, because the mean of its divisors is an integer number (15414942).

Almost surely, 2^51383135 is an apocalyptic number.

51383135 is a deficient number, since it is larger than the sum of its proper divisors (10276633).

51383135 is a wasteful number, since it uses less digits than its factorization.

51383135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276632.

The product of its digits is 5400, while the sum is 29.

The square root of 51383135 is about 7168.2030523695. The cubic root of 51383135 is about 371.7693076751.

The spelling of 51383135 in words is "fifty-one million, three hundred eighty-three thousand, one hundred thirty-five".