51711136 has 48 divisors (see below), whose sum is σ = 104872320. Its totient is φ = 25090560.

The previous prime is 51711133. The next prime is 51711151. The reversal of 51711136 is 63111715.

It is a self number, because there is not a number n which added to its sum of digits gives 51711136.

It is not an unprimeable number, because it can be changed into a prime (51711133) 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, 190681 + ... + 190951.

It is an arithmetic number, because the mean of its divisors is an integer number (2184840).

Almost surely, 2^51711136 is an apocalyptic number.

It is an amenable number.

51711136 is an abundant number, since it is smaller than the sum of its proper divisors (53161184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51711136 is a wasteful number, since it uses less digits than its factorization.

51711136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 429 counting only the distinct ones).

The product of its digits is 630, while the sum is 25.

The square root of 51711136 is about 7191.0455428957. The cubic root of 51711136 is about 372.5586857075.

The spelling of 51711136 in words is "fifty-one million, seven hundred eleven thousand, one hundred thirty-six".