55495109406 has 32 divisors (see below), whose sum is σ = 121123869696. Its totient is φ = 16810640000.

The previous prime is 55495109399. The next prime is 55495109407. The reversal of 55495109406 is 60490159455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55495109407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34771 + ... + 334961.

It is an arithmetic number, because the mean of its divisors is an integer number (3785120928).

Almost surely, 2^55495109406 is an apocalyptic number.

55495109406 is an abundant number, since it is smaller than the sum of its proper divisors (65628760290).

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

55495109406 is a wasteful number, since it uses less digits than its factorization.

55495109406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303008.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 55495109406 in words is "fifty-five billion, four hundred ninety-five million, one hundred nine thousand, four hundred six".