55243155134 has 16 divisors (see below), whose sum is σ = 86181857520. Its totient is φ = 26536930560.

The previous prime is 55243155089. The next prime is 55243155173. The reversal of 55243155134 is 43155134255.

It is a congruent number.

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, 5260019 + ... + 5270510.

It is an arithmetic number, because the mean of its divisors is an integer number (5386366095).

Almost surely, 2^55243155134 is an apocalyptic number.

55243155134 is a deficient number, since it is larger than the sum of its proper divisors (30938702386).

55243155134 is a wasteful number, since it uses less digits than its factorization.

55243155134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530635.

The product of its digits is 180000, while the sum is 38.

Adding to 55243155134 its reverse (43155134255), we get a palindrome (98398289389).

The spelling of 55243155134 in words is "fifty-five billion, two hundred forty-three million, one hundred fifty-five thousand, one hundred thirty-four".