557505546 has 16 divisors (see below), whose sum is σ = 1200781344. Its totient is φ = 171540144.

The previous prime is 557505539. The next prime is 557505547. The reversal of 557505546 is 645505755.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 557505498 and 557505507.

It is not an unprimeable number, because it can be changed into a prime (557505547) 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, 3573676 + ... + 3573831.

It is an arithmetic number, because the mean of its divisors is an integer number (75048834).

Almost surely, 2^557505546 is an apocalyptic number.

557505546 is an abundant number, since it is smaller than the sum of its proper divisors (643275798).

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

557505546 is a wasteful number, since it uses less digits than its factorization.

557505546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147525.

The product of its (nonzero) digits is 525000, while the sum is 42.

The square root of 557505546 is about 23611.5553490235. Note that the first 3 decimals coincide. The cubic root of 557505546 is about 823.0313863070.

The spelling of 557505546 in words is "five hundred fifty-seven million, five hundred five thousand, five hundred forty-six".