55142657183 has 4 divisors (see below), whose sum is σ = 56921452608. Its totient is φ = 53363861760.

The previous prime is 55142657131. The next prime is 55142657209. The reversal of 55142657183 is 38175624155.

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

It is a cyclic number.

It is not a de Polignac number, because 55142657183 - 2⁸ = 55142656927 is a prime.

It is a super-2 number, since 2×55142657183² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142657083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889397666 + ... + 889397727.

It is an arithmetic number, because the mean of its divisors is an integer number (14230363152).

Almost surely, 2^55142657183 is an apocalyptic number.

55142657183 is a deficient number, since it is larger than the sum of its proper divisors (1778795425).

55142657183 is a wasteful number, since it uses less digits than its factorization.

55142657183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1778795424.

The product of its digits is 1008000, while the sum is 47.

The spelling of 55142657183 in words is "fifty-five billion, one hundred forty-two million, six hundred fifty-seven thousand, one hundred eighty-three".