549573507072 has 120 divisors (see below), whose sum is σ = 1641535295400. Its totient is φ = 183191113728.

The previous prime is 549573507071. The next prime is 549573507079. The reversal of 549573507072 is 270705375945.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549573507071) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1490572 + ... + 1822347.

It is an arithmetic number, because the mean of its divisors is an integer number (13679460795).

Almost surely, 2^549573507072 is an apocalyptic number.

It is an amenable number.

549573507072 is an abundant number, since it is smaller than the sum of its proper divisors (1091961788328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

549573507072 is an equidigital number, since it uses as much as digits as its factorization.

549573507072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312953 (or 3312924 counting only the distinct ones).

The product of its (nonzero) digits is 9261000, while the sum is 54.

The spelling of 549573507072 in words is "five hundred forty-nine billion, five hundred seventy-three million, five hundred seven thousand, seventy-two".