51103701 has 12 divisors (see below), whose sum is σ = 80527200. Its totient is φ = 30971880.

The previous prime is 51103621. The next prime is 51103709. The reversal of 51103701 is 10730115.

It is a happy number.

It is not a de Polignac number, because 51103701 - 2¹³ = 51095509 is a prime.

It is a super-2 number, since 2×51103701² = 5223176511794802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258001 + ... + 258198.

It is an arithmetic number, because the mean of its divisors is an integer number (6710600).

Almost surely, 2^51103701 is an apocalyptic number.

It is an amenable number.

51103701 is a deficient number, since it is larger than the sum of its proper divisors (29423499).

51103701 is a wasteful number, since it uses less digits than its factorization.

51103701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516216 (or 516213 counting only the distinct ones).

The product of its (nonzero) digits is 105, while the sum is 18.

The square root of 51103701 is about 7148.6852637391. The cubic root of 51103701 is about 371.0941583093.

Adding to 51103701 its reverse (10730115), we get a palindrome (61833816).

The spelling of 51103701 in words is "fifty-one million, one hundred three thousand, seven hundred one".