550432101 has 4 divisors (see below), whose sum is σ = 733909472. Its totient is φ = 366954732.

The previous prime is 550432039. The next prime is 550432117. The reversal of 550432101 is 101234055.

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 not a de Polignac number, because 550432101 - 2⁶ = 550432037 is a prime.

It is a super-2 number, since 2×550432101² = 605950995622548402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550432301) 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, 91738681 + ... + 91738686.

It is an arithmetic number, because the mean of its divisors is an integer number (183477368).

Almost surely, 2^550432101 is an apocalyptic number.

It is an amenable number.

550432101 is a deficient number, since it is larger than the sum of its proper divisors (183477371).

550432101 is a wasteful number, since it uses less digits than its factorization.

550432101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183477370.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 550432101 is about 23461.2894146933. The cubic root of 550432101 is about 819.5357777932.

Adding to 550432101 its reverse (101234055), we get a palindrome (651666156).

The spelling of 550432101 in words is "five hundred fifty million, four hundred thirty-two thousand, one hundred one".