554243724 has 72 divisors (see below), whose sum is σ = 1486543968. Its totient is φ = 173514240.

The previous prime is 554243713. The next prime is 554243731. The reversal of 554243724 is 427342455.

554243724 is a `hidden beast` number, since 5 + 542 + 43 + 72 + 4 = 666.

It is a super-2 number, since 2×554243724² = 614372211186776352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 542334 + ... + 543354.

It is an arithmetic number, because the mean of its divisors is an integer number (20646444).

Almost surely, 2^554243724 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 554243724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743271984).

554243724 is an abundant number, since it is smaller than the sum of its proper divisors (932300244).

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

554243724 is a wasteful number, since it uses less digits than its factorization.

554243724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935 (or 1930 counting only the distinct ones).

The product of its digits is 134400, while the sum is 36.

The square root of 554243724 is about 23542.3814428362. The cubic root of 554243724 is about 821.4231305168.

The spelling of 554243724 in words is "five hundred fifty-four million, two hundred forty-three thousand, seven hundred twenty-four".