55919091955 has 8 divisors (see below), whose sum is σ = 67109026032. Its totient is φ = 44731196448.

The previous prime is 55919091913. The next prime is 55919091983.

55919091955 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 55919091955 - 2⁷ = 55919091827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55919091955.

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, 448629 + ... + 559558.

It is an arithmetic number, because the mean of its divisors is an integer number (8388628254).

Almost surely, 2^55919091955 is an apocalyptic number.

55919091955 is a deficient number, since it is larger than the sum of its proper divisors (11189934077).

55919091955 is a wasteful number, since it uses less digits than its factorization.

55919091955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019285.

The product of its (nonzero) digits is 4100625, while the sum is 58.

The spelling of 55919091955 in words is "fifty-five billion, nine hundred nineteen million, ninety-one thousand, nine hundred fifty-five".