51103622 has 8 divisors (see below), whose sum is σ = 77517000. Its totient is φ = 25264624.

The previous prime is 51103621. The next prime is 51103709. The reversal of 51103622 is 22630115.

51103622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51103622² = 5223160363037768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51103594 and 51103603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51103621) 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 3 ways as a sum of consecutive naturals, for example, 143372 + ... + 143727.

It is an arithmetic number, because the mean of its divisors is an integer number (9689625).

Almost surely, 2^51103622 is an apocalyptic number.

51103622 is a deficient number, since it is larger than the sum of its proper divisors (26413378).

51103622 is a wasteful number, since it uses less digits than its factorization.

51103622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287190.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 51103622 is about 7148.6797382454. The cubic root of 51103622 is about 371.0939670873.

Adding to 51103622 its reverse (22630115), we get a palindrome (73733737).

The spelling of 51103622 in words is "fifty-one million, one hundred three thousand, six hundred twenty-two".