552846921 has 16 divisors (see below), whose sum is σ = 806280960. Its totient is φ = 334167120.

The previous prime is 552846893. The next prime is 552846989. The reversal of 552846921 is 129648255.

It is not a de Polignac number, because 552846921 - 2⁷ = 552846793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (552844921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9595 + ... + 34608.

It is an arithmetic number, because the mean of its divisors is an integer number (50392560).

Almost surely, 2^552846921 is an apocalyptic number.

It is an amenable number.

552846921 is a deficient number, since it is larger than the sum of its proper divisors (253434039).

552846921 is a wasteful number, since it uses less digits than its factorization.

552846921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44596.

The product of its digits is 172800, while the sum is 42.

The square root of 552846921 is about 23512.6970167184. The cubic root of 552846921 is about 820.7325008307.

The spelling of 552846921 in words is "five hundred fifty-two million, eight hundred forty-six thousand, nine hundred twenty-one".