548925521 has 8 divisors (see below), whose sum is σ = 573425664. Its totient is φ = 524478240.

The previous prime is 548925511. The next prime is 548925527. The reversal of 548925521 is 125529845.

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 548925521 - 2¹⁸ = 548663377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (548925527) 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, 8816 + ... + 34286.

It is an arithmetic number, because the mean of its divisors is an integer number (71678208).

Almost surely, 2^548925521 is an apocalyptic number.

It is an amenable number.

548925521 is a deficient number, since it is larger than the sum of its proper divisors (24500143).

548925521 is a wasteful number, since it uses less digits than its factorization.

548925521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26431.

The product of its digits is 144000, while the sum is 41.

The square root of 548925521 is about 23429.1596306824. The cubic root of 548925521 is about 818.7873812663.

The spelling of 548925521 in words is "five hundred forty-eight million, nine hundred twenty-five thousand, five hundred twenty-one".