5211553021 has 8 divisors (see below), whose sum is σ = 5298670080. Its totient is φ = 5125147488.

The previous prime is 5211552989. The next prime is 5211553037. The reversal of 5211553021 is 1203551125.

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 5211553021 - 2⁵ = 5211552989 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 (5211553121) 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, 163101 + ... + 192418.

It is an arithmetic number, because the mean of its divisors is an integer number (662333760).

Almost surely, 2^5211553021 is an apocalyptic number.

It is an amenable number.

5211553021 is a deficient number, since it is larger than the sum of its proper divisors (87117059).

5211553021 is a wasteful number, since it uses less digits than its factorization.

5211553021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355763.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 5211553021 is about 72191.0868528796. The cubic root of 5211553021 is about 1733.7602973793.

It can be divided in two parts, 521155 and 3021, that added together give a square (524176 = 724²).

The spelling of 5211553021 in words is "five billion, two hundred eleven million, five hundred fifty-three thousand, twenty-one".