55433101 has 4 divisors (see below), whose sum is σ = 55649052. Its totient is φ = 55217152.

The previous prime is 55433083. The next prime is 55433113. The reversal of 55433101 is 10133455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 2856100 = 7251^2 + 1690^2 .

It is a cyclic number.

It is not a de Polignac number, because 55433101 - 2¹⁹ = 54908813 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 (55433171) 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, 107590 + ... + 108103.

It is an arithmetic number, because the mean of its divisors is an integer number (13912263).

Almost surely, 2^55433101 is an apocalyptic number.

It is an amenable number.

55433101 is a deficient number, since it is larger than the sum of its proper divisors (215951).

55433101 is a wasteful number, since it uses less digits than its factorization.

55433101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215950.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 55433101 is about 7445.3408921284. The cubic root of 55433101 is about 381.2908570027.

Adding to 55433101 its reverse (10133455), we get a palindrome (65566556).

The spelling of 55433101 in words is "fifty-five million, four hundred thirty-three thousand, one hundred one".