51404301 has 20 divisors (see below), whose sum is σ = 82697692. Its totient is φ = 31632768.

The previous prime is 51404299. The next prime is 51404321. The reversal of 51404301 is 10340415.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 38118276 = 3645^2 + 6174^2 .

It is not a de Polignac number, because 51404301 - 2¹ = 51404299 is a prime.

It is a super-2 number, since 2×51404301² = 5284804322597202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51404321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23356 + ... + 25461.

Almost surely, 2^51404301 is an apocalyptic number.

It is an amenable number.

51404301 is a deficient number, since it is larger than the sum of its proper divisors (31293391).

51404301 is a wasteful number, since it uses less digits than its factorization.

51404301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842 (or 48833 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 51404301 is about 7169.6792815300. The cubic root of 51404301 is about 371.8203476966.

Adding to 51404301 its reverse (10340415), we get a palindrome (61744716).

The spelling of 51404301 in words is "fifty-one million, four hundred four thousand, three hundred one".