5500512021 has 8 divisors (see below), whose sum is σ = 7336756224. Its totient is φ = 3665637920.

The previous prime is 5500511981. The next prime is 5500512023. The reversal of 5500512021 is 1202150055.

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

It is a cyclic number.

It is not a de Polignac number, because 5500512021 - 2²¹ = 5498414869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5500512023) 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, 333120 + ... + 349241.

It is an arithmetic number, because the mean of its divisors is an integer number (917094528).

Almost surely, 2^5500512021 is an apocalyptic number.

It is an amenable number.

5500512021 is a deficient number, since it is larger than the sum of its proper divisors (1836244203).

5500512021 is a wasteful number, since it uses less digits than its factorization.

5500512021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685051.

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

The square root of 5500512021 is about 74165.4368354964. The cubic root of 5500512021 is about 1765.2289420992.

Adding to 5500512021 its reverse (1202150055), we get a palindrome (6702662076).

The spelling of 5500512021 in words is "five billion, five hundred million, five hundred twelve thousand, twenty-one".