2021546552 has 16 divisors (see below), whose sum is σ = 3791700600. Its totient is φ = 1010426400.

The previous prime is 2021546539. The next prime is 2021546557. The reversal of 2021546552 is 2556451202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021546557) 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 3 ways as a sum of consecutive naturals, for example, 17699 + ... + 66002.

Almost surely, 2^2021546552 is an apocalyptic number.

It is an amenable number.

2021546552 is a deficient number, since it is larger than the sum of its proper divisors (1770154048).

2021546552 is a wasteful number, since it uses less digits than its factorization.

2021546552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86726 (or 86722 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 2021546552 is about 44961.6119817784. The cubic root of 2021546552 is about 1264.4293909823.

Adding to 2021546552 its reverse (2556451202), we get a palindrome (4577997754).

The spelling of 2021546552 in words is "two billion, twenty-one million, five hundred forty-six thousand, five hundred fifty-two".