51103401 has 24 divisors (see below), whose sum is σ = 73209024. Its totient is φ = 31648320.

The previous prime is 51103397. The next prime is 51103427. The reversal of 51103401 is 10430115.

51103401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51103401 - 2² = 51103397 is a prime.

It is a super-2 number, since 2×51103401² = 5223115187533602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103471) 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 in 23 ways as a sum of consecutive naturals, for example, 94191 + ... + 94731.

It is an arithmetic number, because the mean of its divisors is an integer number (3050376).

Almost surely, 2^51103401 is an apocalyptic number.

It is an amenable number.

51103401 is a deficient number, since it is larger than the sum of its proper divisors (22105623).

51103401 is a wasteful number, since it uses less digits than its factorization.

51103401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51103401 is about 7148.6642808290. The cubic root of 51103401 is about 371.0934321488.

Adding to 51103401 its reverse (10430115), we get a palindrome (61533516).

The spelling of 51103401 in words is "fifty-one million, one hundred three thousand, four hundred one".