51224103 has 16 divisors (see below), whose sum is σ = 86728960. Its totient is φ = 29270808.

The previous prime is 51224101. The next prime is 51224161. The reversal of 51224103 is 30142215.

It is not a de Polignac number, because 51224103 - 2¹ = 51224101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51224101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135325 + ... + 135702.

It is an arithmetic number, because the mean of its divisors is an integer number (5420560).

Almost surely, 2^51224103 is an apocalyptic number.

51224103 is a deficient number, since it is larger than the sum of its proper divisors (35504857).

51224103 is a wasteful number, since it uses less digits than its factorization.

51224103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271043 (or 271037 counting only the distinct ones).

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

The square root of 51224103 is about 7157.1015781530. The cubic root of 51224103 is about 371.3853664102.

Adding to 51224103 its reverse (30142215), we get a palindrome (81366318).

The spelling of 51224103 in words is "fifty-one million, two hundred twenty-four thousand, one hundred three".