51363611 has 16 divisors (see below), whose sum is σ = 58635360. Its totient is φ = 44647680.

The previous prime is 51363581. The next prime is 51363617. The reversal of 51363611 is 11636315.

It is a cyclic number.

It is not a de Polignac number, because 51363611 - 2¹⁴ = 51347227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51363617) 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 15 ways as a sum of consecutive naturals, for example, 13796 + ... + 17118.

It is an arithmetic number, because the mean of its divisors is an integer number (3664710).

Almost surely, 2^51363611 is an apocalyptic number.

51363611 is a deficient number, since it is larger than the sum of its proper divisors (7271749).

51363611 is a wasteful number, since it uses less digits than its factorization.

51363611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406.

The product of its digits is 1620, while the sum is 26.

The square root of 51363611 is about 7166.8410753972. The cubic root of 51363611 is about 371.7222147688.

Adding to 51363611 its reverse (11636315), we get a palindrome (62999926).

The spelling of 51363611 in words is "fifty-one million, three hundred sixty-three thousand, six hundred eleven".