55143242334 has 24 divisors (see below), whose sum is σ = 121502061720. Its totient is φ = 18069536688.

The previous prime is 55143242327. The next prime is 55143242353. The reversal of 55143242334 is 43324234155.

55143242334 is a `hidden beast` number, since 551 + 4 + 32 + 42 + 3 + 34 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25960917 + ... + 25963040.

It is an arithmetic number, because the mean of its divisors is an integer number (5062585905).

Almost surely, 2^55143242334 is an apocalyptic number.

55143242334 is an abundant number, since it is smaller than the sum of its proper divisors (66358819386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55143242334 is a wasteful number, since it uses less digits than its factorization.

55143242334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51924024 (or 51924021 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 55143242334 its reverse (43324234155), we get a palindrome (98467476489).

The spelling of 55143242334 in words is "fifty-five billion, one hundred forty-three million, two hundred forty-two thousand, three hundred thirty-four".