547820542201 has 9 divisors (see below), whose sum is σ = 556169350149. Its totient is φ = 539595266364.

The previous prime is 547820542177. The next prime is 547820542229. The reversal of 547820542201 is 102245028745.

It is a happy number.

The square root of 547820542201 is 740149.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 547820542201 - 2⁹ = 547820541689 is a prime.

It is a super-5 number, since 5×547820542201⁵ (a number of 60 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (547820542231) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 49584460 + ... + 49595506.

It is an arithmetic number, because the mean of its divisors is an integer number (61796594461).

Almost surely, 2^547820542201 is an apocalyptic number.

547820542201 is the 740149-th square number.

547820542201 is the 370075-th centered octagonal number.

It is an amenable number.

547820542201 is a deficient number, since it is larger than the sum of its proper divisors (8348807948).

547820542201 is an frugal number, since it uses more digits than its factorization.

547820542201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22228 (or 11114 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The spelling of 547820542201 in words is "five hundred forty-seven billion, eight hundred twenty million, five hundred forty-two thousand, two hundred one".