51100052 has 6 divisors (see below), whose sum is σ = 89425098. Its totient is φ = 25550024.

The previous prime is 51100033. The next prime is 51100057. The reversal of 51100052 is 25000115.

51100052 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 only one way, i.e., 35450116 + 15649936 = 5954^2 + 3956^2 .

It is a super-2 number, since 2×51100052² = 5222430628805408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100057) 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 as a sum of consecutive naturals, namely, 6387503 + ... + 6387510.

It is an arithmetic number, because the mean of its divisors is an integer number (14904183).

Almost surely, 2^51100052 is an apocalyptic number.

It is an amenable number.

51100052 is a deficient number, since it is larger than the sum of its proper divisors (38325046).

51100052 is a wasteful number, since it uses less digits than its factorization.

51100052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12775017 (or 12775015 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 51100052 is about 7148.4300374278. The cubic root of 51100052 is about 371.0853255843.

Adding to 51100052 its reverse (25000115), we get a palindrome (76100167).

The spelling of 51100052 in words is "fifty-one million, one hundred thousand, fifty-two".