55040106 has 32 divisors (see below), whose sum is σ = 120367296. Its totient is φ = 16640000.

The previous prime is 55040087. The next prime is 55040107. The reversal of 55040106 is 60104055.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55040107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41656 + ... + 42956.

It is an arithmetic number, because the mean of its divisors is an integer number (3761478).

Almost surely, 2^55040106 is an apocalyptic number.

55040106 is an abundant number, since it is smaller than the sum of its proper divisors (65327190).

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

55040106 is a wasteful number, since it uses less digits than its factorization.

55040106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958.

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

The square root of 55040106 is about 7418.9019403143. The cubic root of 55040106 is about 380.3876607147.

The spelling of 55040106 in words is "fifty-five million, forty thousand, one hundred six".