55142400104101 has 4 divisors (see below), whose sum is σ = 55162740350304. Its totient is φ = 55122059857900.

The previous prime is 55142400104063. The next prime is 55142400104131. The reversal of 55142400104101 is 10140100424155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55142400104101 - 2²⁷ = 55142265886373 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 55142400104101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142400104131) 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, 10170119035 + ... + 10170124456.

It is an arithmetic number, because the mean of its divisors is an integer number (13790685087576).

Almost surely, 2^{55142400104101} is an apocalyptic number.

It is an amenable number.

55142400104101 is a deficient number, since it is larger than the sum of its proper divisors (20340246203).

55142400104101 is a wasteful number, since it uses less digits than its factorization.

55142400104101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20340246202.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 55142400104101 its reverse (10140100424155), we get a palindrome (65282500528256).

The spelling of 55142400104101 in words is "fifty-five trillion, one hundred forty-two billion, four hundred million, one hundred four thousand, one hundred one".