547162420 has 72 divisors (see below), whose sum is σ = 1340304840. Its totient is φ = 187084800.

The previous prime is 547162417. The next prime is 547162481. The reversal of 547162420 is 24261745.

It can be written as a sum of positive squares in 4 ways, for example, as 18714276 + 528448144 = 4326^2 + 22988^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 588516 + ... + 589444.

It is an arithmetic number, because the mean of its divisors is an integer number (18615345).

Almost surely, 2^547162420 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 547162420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670152420).

547162420 is an abundant number, since it is smaller than the sum of its proper divisors (793142420).

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

547162420 is a wasteful number, since it uses less digits than its factorization.

547162420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 547162420 is about 23391.5031581983. The cubic root of 547162420 is about 817.9098164377.

The spelling of 547162420 in words is "five hundred forty-seven million, one hundred sixty-two thousand, four hundred twenty".