5502157021 has 8 divisors (see below), whose sum is σ = 5566874040. Its totient is φ = 5437504512.

The previous prime is 5502157019. The next prime is 5502157027. The reversal of 5502157021 is 1207512055.

It can be written as a sum of positive squares in 4 ways, for example, as 1240025796 + 4262131225 = 35214^2 + 65285^2 .

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 5502157021 - 2¹ = 5502157019 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 (5502157027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167661 + ... + 197773.

It is an arithmetic number, because the mean of its divisors is an integer number (695859255).

Almost surely, 2^5502157021 is an apocalyptic number.

It is an amenable number.

5502157021 is a deficient number, since it is larger than the sum of its proper divisors (64717019).

5502157021 is a wasteful number, since it uses less digits than its factorization.

5502157021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32255.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 5502157021 is about 74176.5260779986. The cubic root of 5502157021 is about 1765.4048961543.

Adding to 5502157021 its reverse (1207512055), we get a palindrome (6709669076).

The spelling of 5502157021 in words is "five billion, five hundred two million, one hundred fifty-seven thousand, twenty-one".