554642136 has 144 divisors (see below), whose sum is σ = 1639605240. Its totient is φ = 168791040.

The previous prime is 554642117. The next prime is 554642141. The reversal of 554642136 is 631246455.

554642136 is a `hidden beast` number, since 5 + 5 + 4 + 642 + 1 + 3 + 6 = 666.

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 554642136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1675491 + ... + 1675821.

Almost surely, 2^554642136 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 554642136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819802620).

554642136 is an abundant number, since it is smaller than the sum of its proper divisors (1084963104).

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

554642136 is a wasteful number, since it uses less digits than its factorization.

554642136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 390 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 554642136 is about 23550.8415136275. The cubic root of 554642136 is about 821.6199070326.

It can be divided in two parts, 55464 and 2136, that added together give a square (57600 = 240²).

The spelling of 554642136 in words is "five hundred fifty-four million, six hundred forty-two thousand, one hundred thirty-six".