51104501 has 6 divisors (see below), whose sum is σ = 59448150. Its totient is φ = 43803816.

The previous prime is 51104497. The next prime is 51104507. The reversal of 51104501 is 10540115.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 1416100 = 7049^2 + 1190^2 .

It is not a de Polignac number, because 51104501 - 2² = 51104497 is a prime.

It is a super-2 number, since 2×51104501² = 5223340044918002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51104501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51104507) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 521426 + ... + 521523.

It is an arithmetic number, because the mean of its divisors is an integer number (9908025).

Almost surely, 2^51104501 is an apocalyptic number.

It is an amenable number.

51104501 is a deficient number, since it is larger than the sum of its proper divisors (8343649).

51104501 is a wasteful number, since it uses less digits than its factorization.

51104501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042963 (or 1042956 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 51104501 is about 7148.7412178649. The cubic root of 51104501 is about 371.0960947234.

Adding to 51104501 its reverse (10540115), we get a palindrome (61644616).

The spelling of 51104501 in words is "fifty-one million, one hundred four thousand, five hundred one".