55154045155 has 24 divisors (see below), whose sum is σ = 73469006352. Its totient is φ = 39714840000.

The previous prime is 55154045147. The next prime is 55154045161.

55154045155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55154045155 - 2³ = 55154045147 is a prime.

It is a super-3 number, since 3×55154045155³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 390201 + ... + 512410.

It is an arithmetic number, because the mean of its divisors is an integer number (3061208598).

Almost surely, 2^55154045155 is an apocalyptic number.

55154045155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55154045155 is a deficient number, since it is larger than the sum of its proper divisors (18314961197).

55154045155 is a wasteful number, since it uses less digits than its factorization.

55154045155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902739 (or 902728 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 40.

It can be divided in two parts, 551540 and 45155, that added together give a palindrome (596695).

The spelling of 55154045155 in words is "fifty-five billion, one hundred fifty-four million, forty-five thousand, one hundred fifty-five".