55535622 has 16 divisors (see below), whose sum is σ = 111600192. Its totient is φ = 18423720.

The previous prime is 55535621. The next prime is 55535633. The reversal of 55535622 is 22653555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55535621) 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, 20668 + ... + 23199.

It is an arithmetic number, because the mean of its divisors is an integer number (6975012).

Almost surely, 2^55535622 is an apocalyptic number.

55535622 is an abundant number, since it is smaller than the sum of its proper divisors (56064570).

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

55535622 is a wasteful number, since it uses less digits than its factorization.

55535622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44083.

The product of its digits is 45000, while the sum is 33.

The square root of 55535622 is about 7452.2226214734. Note that the first 3 decimals coincide. The cubic root of 55535622 is about 381.5257722753.

It can be divided in two parts, 5553 and 5622, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 55535622 in words is "fifty-five million, five hundred thirty-five thousand, six hundred twenty-two".