548055649 has 4 divisors (see below), whose sum is σ = 548971200. Its totient is φ = 547140100.

The previous prime is 548055647. The next prime is 548055653. The reversal of 548055649 is 946550845.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 946550845 = 5 ⋅189310169.

It is a cyclic number.

It is not a de Polignac number, because 548055649 - 2¹ = 548055647 is a prime.

It is a super-2 number, since 2×548055649² = 600729988801622402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 548055599 and 548055608.

It is not an unprimeable number, because it can be changed into a prime (548055647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456877 + ... + 458074.

It is an arithmetic number, because the mean of its divisors is an integer number (137242800).

Almost surely, 2^548055649 is an apocalyptic number.

It is an amenable number.

548055649 is a deficient number, since it is larger than the sum of its proper divisors (915551).

548055649 is an equidigital number, since it uses as much as digits as its factorization.

548055649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915550.

The product of its (nonzero) digits is 864000, while the sum is 46.

The square root of 548055649 is about 23410.5883949977. The cubic root of 548055649 is about 818.3546469239.

The spelling of 548055649 in words is "five hundred forty-eight million, fifty-five thousand, six hundred forty-nine".