55435144101 has 4 divisors (see below), whose sum is σ = 73913525472. Its totient is φ = 36956762732.

The previous prime is 55435144087. The next prime is 55435144117. The reversal of 55435144101 is 10144153455.

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 a de Polignac number, because none of the positive numbers 2^k-55435144101 is a prime.

It is a super-5 number, since 5×55435144101⁵ (a number of 55 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55435144151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9239190681 + ... + 9239190686.

It is an arithmetic number, because the mean of its divisors is an integer number (18478381368).

Almost surely, 2^55435144101 is an apocalyptic number.

It is an amenable number.

55435144101 is a deficient number, since it is larger than the sum of its proper divisors (18478381371).

55435144101 is a wasteful number, since it uses less digits than its factorization.

55435144101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18478381370.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 55435144101 its reverse (10144153455), we get a palindrome (65579297556).

The spelling of 55435144101 in words is "fifty-five billion, four hundred thirty-five million, one hundred forty-four thousand, one hundred one".