53555402101 has 4 divisors (see below), whose sum is σ = 53827257132. Its totient is φ = 53283547072.

The previous prime is 53555402093. The next prime is 53555402113. The reversal of 53555402101 is 10120455535.

53555402101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10120455535 = 5 ⋅2024091107.

It can be written as a sum of positive squares in 2 ways, for example, as 52704221476 + 851180625 = 229574^2 + 29175^2 .

It is a cyclic number.

It is not a de Polignac number, because 53555402101 - 2³ = 53555402093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53555402171) 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, 135927220 + ... + 135927613.

It is an arithmetic number, because the mean of its divisors is an integer number (13456814283).

Almost surely, 2^53555402101 is an apocalyptic number.

It is an amenable number.

53555402101 is a deficient number, since it is larger than the sum of its proper divisors (271855031).

53555402101 is a wasteful number, since it uses less digits than its factorization.

53555402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271855030.

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 53555402101 its reverse (10120455535), we get a palindrome (63675857636).

The spelling of 53555402101 in words is "fifty-three billion, five hundred fifty-five million, four hundred two thousand, one hundred one".