55203622 has 16 divisors (see below), whose sum is σ = 86654592. Its totient is φ = 26343360.

The previous prime is 55203619. The next prime is 55203623. The reversal of 55203622 is 22630255.

55203622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55203623) 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 7 ways as a sum of consecutive naturals, for example, 1573 + ... + 10624.

It is an arithmetic number, because the mean of its divisors is an integer number (5415912).

Almost surely, 2^55203622 is an apocalyptic number.

55203622 is a deficient number, since it is larger than the sum of its proper divisors (31450970).

55203622 is a wasteful number, since it uses less digits than its factorization.

55203622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55203622 is about 7429.9139968105. The cubic root of 55203622 is about 380.7639800908.

Adding to 55203622 its reverse (22630255), we get a palindrome (77833877).

The spelling of 55203622 in words is "fifty-five million, two hundred three thousand, six hundred twenty-two".