55143134 has 8 divisors (see below), whose sum is σ = 82819128. Its totient is φ = 27536760.

The previous prime is 55143131. The next prime is 55143169. The reversal of 55143134 is 43134155.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15377 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (10352391).

Almost surely, 2^55143134 is an apocalyptic number.

55143134 is a deficient number, since it is larger than the sum of its proper divisors (27675994).

55143134 is a wasteful number, since it uses less digits than its factorization.

55143134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34810.

The product of its digits is 3600, while the sum is 26.

The square root of 55143134 is about 7425.8423091256. The cubic root of 55143134 is about 380.6248583687.

Adding to 55143134 its reverse (43134155), we get a palindrome (98277289).

The spelling of 55143134 in words is "fifty-five million, one hundred forty-three thousand, one hundred thirty-four".