557144555 has 48 divisors (see below), whose sum is σ = 768724992. Its totient is φ = 384350400.

The previous prime is 557144551. The next prime is 557144603. The reversal of 557144555 is 555441755.

It is not a de Polignac number, because 557144555 - 2² = 557144551 is a prime.

It is a super-2 number, since 2×557144555² = 620820110332296050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557144551) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4386902 + ... + 4387028.

It is an arithmetic number, because the mean of its divisors is an integer number (16015104).

Almost surely, 2^557144555 is an apocalyptic number.

557144555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

557144555 is a deficient number, since it is larger than the sum of its proper divisors (211580437).

557144555 is a wasteful number, since it uses less digits than its factorization.

557144555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288 (or 257 counting only the distinct ones).

The product of its digits is 350000, while the sum is 41.

The square root of 557144555 is about 23603.9097397020. The cubic root of 557144555 is about 822.8537073134.

The spelling of 557144555 in words is "five hundred fifty-seven million, one hundred forty-four thousand, five hundred fifty-five".