554135538 has 64 divisors (see below), whose sum is σ = 1265155200. Its totient is φ = 160258560.

The previous prime is 554135537. The next prime is 554135579. The reversal of 554135538 is 835531455.

It is a junction number, because it is equal to n+sod(n) for n = 554135496 and 554135505.

It is not an unprimeable number, because it can be changed into a prime (554135537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168720 + ... + 171972.

It is an arithmetic number, because the mean of its divisors is an integer number (19768050).

Almost surely, 2^554135538 is an apocalyptic number.

554135538 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 554135538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632577600).

554135538 is an abundant number, since it is smaller than the sum of its proper divisors (711019662).

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

554135538 is a wasteful number, since it uses less digits than its factorization.

554135538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3387.

The product of its digits is 180000, while the sum is 39.

The square root of 554135538 is about 23540.0836447112. The cubic root of 554135538 is about 821.3696809472.

The spelling of 554135538 in words is "five hundred fifty-four million, one hundred thirty-five thousand, five hundred thirty-eight".