550252101 has 32 divisors (see below), whose sum is σ = 850756608. Its totient is φ = 309859200.

The previous prime is 550252093. The next prime is 550252121. The reversal of 550252101 is 101252055.

It is not a de Polignac number, because 550252101 - 2³ = 550252093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550252121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523026 + ... + 524076.

It is an arithmetic number, because the mean of its divisors is an integer number (26586144).

Almost surely, 2^550252101 is an apocalyptic number.

It is an amenable number.

550252101 is a deficient number, since it is larger than the sum of its proper divisors (300504507).

550252101 is a wasteful number, since it uses less digits than its factorization.

550252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 550252101 is about 23457.4529947307. The cubic root of 550252101 is about 819.4464343346.

The spelling of 550252101 in words is "five hundred fifty million, two hundred fifty-two thousand, one hundred one".