55532445101 has 4 divisors (see below), whose sum is σ = 63465651552. Its totient is φ = 47599238652.

The previous prime is 55532445079. The next prime is 55532445113. The reversal of 55532445101 is 10154423555.

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 de Polignac number, because none of the positive numbers 2^k-55532445101 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 (55532445131) 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, 3966603215 + ... + 3966603228.

It is an arithmetic number, because the mean of its divisors is an integer number (15866412888).

Almost surely, 2^55532445101 is an apocalyptic number.

It is an amenable number.

55532445101 is a deficient number, since it is larger than the sum of its proper divisors (7933206451).

55532445101 is an equidigital number, since it uses as much as digits as its factorization.

55532445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933206450.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 55532445101 its reverse (10154423555), we get a palindrome (65686868656).

The spelling of 55532445101 in words is "fifty-five billion, five hundred thirty-two million, four hundred forty-five thousand, one hundred one".