51113583 has 12 divisors (see below), whose sum is σ = 74007648. Its totient is φ = 33994080.

The previous prime is 51113551. The next prime is 51113597. The reversal of 51113583 is 38531115.

It is not a de Polignac number, because 51113583 - 2⁵ = 51113551 is a prime.

It is a super-2 number, since 2×51113583² = 5225196734195778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51113533) 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 11 ways as a sum of consecutive naturals, for example, 2710 + ... + 10467.

It is an arithmetic number, because the mean of its divisors is an integer number (6167304).

Almost surely, 2^51113583 is an apocalyptic number.

51113583 is a deficient number, since it is larger than the sum of its proper divisors (22894065).

51113583 is a wasteful number, since it uses less digits than its factorization.

51113583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13614 (or 13611 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 51113583 is about 7149.3764063728. The cubic root of 51113583 is about 371.1180764473.

Adding to 51113583 its reverse (38531115), we get a palindrome (89644698).

The spelling of 51113583 in words is "fifty-one million, one hundred thirteen thousand, five hundred eighty-three".