55919291955 has 32 divisors (see below), whose sum is σ = 97294250304. Its totient is φ = 27310657536.

The previous prime is 55919291927. The next prime is 55919291957.

55919291955 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55919291955 - 2⁶ = 55919291891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55919291957) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2953962 + ... + 2972831.

It is an arithmetic number, because the mean of its divisors is an integer number (3040445322).

Almost surely, 2^55919291955 is an apocalyptic number.

55919291955 is a deficient number, since it is larger than the sum of its proper divisors (41374958349).

55919291955 is a wasteful number, since it uses less digits than its factorization.

55919291955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5926855.

The product of its digits is 8201250, while the sum is 60.

The spelling of 55919291955 in words is "fifty-five billion, nine hundred nineteen million, two hundred ninety-one thousand, nine hundred fifty-five".