552132021 has 8 divisors (see below), whose sum is σ = 841344064. Its totient is φ = 315504000.

The previous prime is 552132011. The next prime is 552132029. The reversal of 552132021 is 120231255.

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

It is not a de Polignac number, because 552132021 - 2⁵ = 552131989 is a prime.

It is a super-2 number, since 2×552132021² = 609699537227088882, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 26292001 = 552132021 / (5 + 5 + 2 + 1 + 3 + 2 + 0 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552132029) 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, 13145980 + ... + 13146021.

It is an arithmetic number, because the mean of its divisors is an integer number (105168008).

Almost surely, 2^552132021 is an apocalyptic number.

It is an amenable number.

552132021 is a deficient number, since it is larger than the sum of its proper divisors (289212043).

552132021 is a wasteful number, since it uses less digits than its factorization.

552132021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26292011.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 552132021 is about 23497.4896744312. The cubic root of 552132021 is about 820.3785784129.

Adding to 552132021 its reverse (120231255), we get a palindrome (672363276).

The spelling of 552132021 in words is "five hundred fifty-two million, one hundred thirty-two thousand, twenty-one".