55103622 has 16 divisors (see below), whose sum is σ = 125951232. Its totient is φ = 15743880.

The previous prime is 55103621. The next prime is 55103641. The reversal of 55103622 is 22630155.

It is a junction number, because it is equal to n+sod(n) for n = 55103592 and 55103601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 655954 + ... + 656037.

It is an arithmetic number, because the mean of its divisors is an integer number (7871952).

Almost surely, 2^55103622 is an apocalyptic number.

55103622 is an abundant number, since it is smaller than the sum of its proper divisors (70847610).

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

55103622 is a wasteful number, since it uses less digits than its factorization.

55103622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312003.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 55103622 is about 7423.1813934458. The cubic root of 55103622 is about 380.5339262690.

Adding to 55103622 its reverse (22630155), we get a palindrome (77733777).

The spelling of 55103622 in words is "fifty-five million, one hundred three thousand, six hundred twenty-two".