547620864 has 288 divisors, whose sum is σ = 1815035040. Its totient is φ = 145883136.

The previous prime is 547620863. The next prime is 547620883. The reversal of 547620864 is 468026745.

It is a super-2 number, since 2×547620864² = 599777221376212992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (547620863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5117899 + ... + 5118005.

It is an arithmetic number, because the mean of its divisors is an integer number (6302205).

Almost surely, 2^547620864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 547620864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907517520).

547620864 is an abundant number, since it is smaller than the sum of its proper divisors (1267414176).

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

547620864 is a wasteful number, since it uses less digits than its factorization.

547620864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 547620864 is about 23401.3004766829. The cubic root of 547620864 is about 818.1381832262.

The spelling of 547620864 in words is "five hundred forty-seven million, six hundred twenty thousand, eight hundred sixty-four".