55100605 has 16 divisors (see below), whose sum is σ = 75688704. Its totient is φ = 37722240.

The previous prime is 55100603. The next prime is 55100611. The reversal of 55100605 is 50600155.

55100605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55100605 - 2¹ = 55100603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55100603) 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 15 ways as a sum of consecutive naturals, for example, 36465 + ... + 37945.

It is an arithmetic number, because the mean of its divisors is an integer number (4730544).

Almost surely, 2^55100605 is an apocalyptic number.

It is an amenable number.

55100605 is a deficient number, since it is larger than the sum of its proper divisors (20588099).

55100605 is a wasteful number, since it uses less digits than its factorization.

55100605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 55100605 is about 7422.9781759076. The cubic root of 55100605 is about 380.5269812215.

The spelling of 55100605 in words is "fifty-five million, one hundred thousand, six hundred five".