51103422 has 24 divisors (see below), whose sum is σ = 111164976. Its totient is φ = 16966656.

The previous prime is 51103397. The next prime is 51103427. The reversal of 51103422 is 22430115.

It is a super-2 number, since 2×51103422² = 5223119480220168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 51103395 and 51103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103427) 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, 898 + ... + 10149.

It is an arithmetic number, because the mean of its divisors is an integer number (4631874).

Almost surely, 2^51103422 is an apocalyptic number.

51103422 is an abundant number, since it is smaller than the sum of its proper divisors (60061554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51103422 is a wasteful number, since it uses less digits than its factorization.

51103422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312 (or 11309 counting only the distinct ones).

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

The square root of 51103422 is about 7148.6657496347. The cubic root of 51103422 is about 371.0934829801.

Adding to 51103422 its reverse (22430115), we get a palindrome (73533537).

The spelling of 51103422 in words is "fifty-one million, one hundred three thousand, four hundred twenty-two".