55909490955 has 8 divisors (see below), whose sum is σ = 89455185552. Its totient is φ = 29818395168.

The previous prime is 55909490929. The next prime is 55909490971.

It is a happy number.

55909490955 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55909490955 - 2¹¹ = 55909488907 is a prime.

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, 1863649684 + ... + 1863649713.

It is an arithmetic number, because the mean of its divisors is an integer number (11181898194).

Almost surely, 2^55909490955 is an apocalyptic number.

55909490955 is a deficient number, since it is larger than the sum of its proper divisors (33545694597).

55909490955 is a wasteful number, since it uses less digits than its factorization.

55909490955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3727299405.

The product of its (nonzero) digits is 16402500, while the sum is 60.

The spelling of 55909490955 in words is "fifty-five billion, nine hundred nine million, four hundred ninety thousand, nine hundred fifty-five".