554155540 has 24 divisors (see below), whose sum is σ = 1164441600. Its totient is φ = 221526048.

The previous prime is 554155529. The next prime is 554155543. The reversal of 554155540 is 45551455.

It is a junction number, because it is equal to n+sod(n) for n = 554155496 and 554155505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554155543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28861 + ... + 44059.

It is an arithmetic number, because the mean of its divisors is an integer number (48518400).

Almost surely, 2^554155540 is an apocalyptic number.

It is an amenable number.

554155540 is an abundant number, since it is smaller than the sum of its proper divisors (610286060).

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

554155540 is a wasteful number, since it uses less digits than its factorization.

554155540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031 (or 17029 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 554155540 is about 23540.5084906847. The cubic root of 554155540 is about 821.3795635106.

The spelling of 554155540 in words is "five hundred fifty-four million, one hundred fifty-five thousand, five hundred forty".