55100622 has 16 divisors (see below), whose sum is σ = 113180112. Its totient is φ = 17870400.

The previous prime is 55100611. The next prime is 55100653. The reversal of 55100622 is 22600155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123879 + ... + 124322.

It is an arithmetic number, because the mean of its divisors is an integer number (7073757).

Almost surely, 2^55100622 is an apocalyptic number.

55100622 is an abundant number, since it is smaller than the sum of its proper divisors (58079490).

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

55100622 is a wasteful number, since it uses less digits than its factorization.

55100622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248243.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55100622 is about 7422.9793210004. The cubic root of 55100622 is about 380.5270203557.

Adding to 55100622 its reverse (22600155), we get a palindrome (77700777).

The spelling of 55100622 in words is "fifty-five million, one hundred thousand, six hundred twenty-two".