51113662 has 16 divisors (see below), whose sum is σ = 81356400. Its totient is φ = 24001408.

The previous prime is 51113639. The next prime is 51113663. The reversal of 51113662 is 26631115.

It is a super-2 number, since 2×51113662² = 5225212886100488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51113663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17589 + ... + 20287.

It is an arithmetic number, because the mean of its divisors is an integer number (5084775).

Almost surely, 2^51113662 is an apocalyptic number.

51113662 is a deficient number, since it is larger than the sum of its proper divisors (30242738).

51113662 is a wasteful number, since it uses less digits than its factorization.

51113662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275.

The product of its digits is 1080, while the sum is 25.

The square root of 51113662 is about 7149.3819313281. The cubic root of 51113662 is about 371.1182676445.

Adding to 51113662 its reverse (26631115), we get a palindrome (77744777).

The spelling of 51113662 in words is "fifty-one million, one hundred thirteen thousand, six hundred sixty-two".