51403101 has 32 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 31887936.

The previous prime is 51403097. The next prime is 51403111. The reversal of 51403101 is 10130415.

It is not a de Polignac number, because 51403101 - 2² = 51403097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51403111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307720 + ... + 307886.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^51403101 is an apocalyptic number.

It is an amenable number.

51403101 is a deficient number, since it is larger than the sum of its proper divisors (22140579).

51403101 is a wasteful number, since it uses less digits than its factorization.

51403101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

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

The square root of 51403101 is about 7169.5955952899. The cubic root of 51403101 is about 371.8174543727.

Adding to 51403101 its reverse (10130415), we get a palindrome (61533516).

The spelling of 51403101 in words is "fifty-one million, four hundred three thousand, one hundred one".