51111362 has 8 divisors (see below), whose sum is σ = 76722876. Its totient is φ = 25537072.

The previous prime is 51111331. The next prime is 51111373. The reversal of 51111362 is 26311115.

51111362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 49716601 + 1394761 = 7051^2 + 1181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51111362² = 5224742650990088, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5573 + ... + 11544.

Almost surely, 2^51111362 is an apocalyptic number.

51111362 is a deficient number, since it is larger than the sum of its proper divisors (25611514).

51111362 is a wasteful number, since it uses less digits than its factorization.

51111362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18612.

The product of its digits is 180, while the sum is 20.

The square root of 51111362 is about 7149.2210764530. The cubic root of 51111362 is about 371.1127010648.

Adding to 51111362 its reverse (26311115), we get a palindrome (77422477).

The spelling of 51111362 in words is "fifty-one million, one hundred eleven thousand, three hundred sixty-two".