550120101 has 8 divisors (see below), whose sum is σ = 749099904. Its totient is φ = 358943520.

The previous prime is 550120073. The next prime is 550120117. The reversal of 550120101 is 101021055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550120101 - 2⁶ = 550120037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550120171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950640 + ... + 1950921.

It is an arithmetic number, because the mean of its divisors is an integer number (93637488).

Almost surely, 2^550120101 is an apocalyptic number.

It is an amenable number.

550120101 is a deficient number, since it is larger than the sum of its proper divisors (198979803).

550120101 is a wasteful number, since it uses less digits than its factorization.

550120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901611.

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 550120101 is about 23454.6392212713. The cubic root of 550120101 is about 819.3809034142.

Adding to 550120101 its reverse (101021055), we get a palindrome (651141156).

The spelling of 550120101 in words is "five hundred fifty million, one hundred twenty thousand, one hundred one".