55142244541 has 8 divisors (see below), whose sum is σ = 55438156800. Its totient is φ = 54846407760.

The previous prime is 55142244533. The next prime is 55142244557. The reversal of 55142244541 is 14544224155.

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

It is a cyclic number.

It is not a de Polignac number, because 55142244541 - 2³ = 55142244533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55142244541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142244041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2047320 + ... + 2074078.

It is an arithmetic number, because the mean of its divisors is an integer number (6929769600).

Almost surely, 2^55142244541 is an apocalyptic number.

It is an amenable number.

55142244541 is a deficient number, since it is larger than the sum of its proper divisors (295912259).

55142244541 is a wasteful number, since it uses less digits than its factorization.

55142244541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37739.

The product of its digits is 128000, while the sum is 37.

Adding to 55142244541 its reverse (14544224155), we get a palindrome (69686468696).

The spelling of 55142244541 in words is "fifty-five billion, one hundred forty-two million, two hundred forty-four thousand, five hundred forty-one".