55034143 has 4 divisors (see below), whose sum is σ = 55319488. Its totient is φ = 54748800.

The previous prime is 55034137. The next prime is 55034149. The reversal of 55034143 is 34143055.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55034137) and next prime (55034149).

It is a cyclic number.

It is not a de Polignac number, because 55034143 - 2¹³ = 55025951 is a prime.

It is the 7419-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55034149) by changing a digit.

It is a nontrivial repunit in base 7418.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142383 + ... + 142768.

It is an arithmetic number, because the mean of its divisors is an integer number (13829872).

Almost surely, 2^55034143 is an apocalyptic number.

55034143 is a deficient number, since it is larger than the sum of its proper divisors (285345).

55034143 is a wasteful number, since it uses less digits than its factorization.

55034143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285344.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 55034143 is about 7418.5000505493. The cubic root of 55034143 is about 380.3739232560.

Adding to 55034143 its reverse (34143055), we get a palindrome (89177198).

The spelling of 55034143 in words is "fifty-five million, thirty-four thousand, one hundred forty-three".