51111336 has 32 divisors (see below), whose sum is σ = 133335360. Its totient is φ = 16296192.

The previous prime is 51111331. The next prime is 51111373. The reversal of 51111336 is 63311115.

51111336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51111336² = 5224737335409792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51111331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45745 + ... + 46848.

It is an arithmetic number, because the mean of its divisors is an integer number (4166730).

Almost surely, 2^51111336 is an apocalyptic number.

It is an amenable number.

51111336 is an abundant number, since it is smaller than the sum of its proper divisors (82224024).

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

51111336 is a wasteful number, since it uses less digits than its factorization.

51111336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92625 (or 92621 counting only the distinct ones).

The product of its digits is 270, while the sum is 21.

The square root of 51111336 is about 7149.2192580729. The cubic root of 51111336 is about 371.1126381373.

The spelling of 51111336 in words is "fifty-one million, one hundred eleven thousand, three hundred thirty-six".