554444136 has 64 divisors (see below), whose sum is σ = 1543046400. Its totient is φ = 184464000.

The previous prime is 554444113. The next prime is 554444201. The reversal of 554444136 is 631444455.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 554444136.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127681 + ... + 131951.

It is an arithmetic number, because the mean of its divisors is an integer number (24110100).

Almost surely, 2^554444136 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 554444136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (771523200).

554444136 is an abundant number, since it is smaller than the sum of its proper divisors (988602264).

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

554444136 is a wasteful number, since it uses less digits than its factorization.

554444136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4887 (or 4877 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 554444136 is about 23546.6374669506. The cubic root of 554444136 is about 821.5221262035.

The spelling of 554444136 in words is "five hundred fifty-four million, four hundred forty-four thousand, one hundred thirty-six".