557948145 has 32 divisors (see below), whose sum is σ = 933057792. Its totient is φ = 284168192.

The previous prime is 557948089. The next prime is 557948147. The reversal of 557948145 is 541849755.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 557948145 - 2¹⁰ = 557947121 is a prime.

It is a super-2 number, since 2×557948145² = 622612265017882050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 557948094 and 557948103.

It is not an unprimeable number, because it can be changed into a prime (557948147) 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 31 ways as a sum of consecutive naturals, for example, 327937 + ... + 329633.

It is an arithmetic number, because the mean of its divisors is an integer number (29158056).

Almost surely, 2^557948145 is an apocalyptic number.

It is an amenable number.

557948145 is a deficient number, since it is larger than the sum of its proper divisors (375109647).

557948145 is a wasteful number, since it uses less digits than its factorization.

557948145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2681.

The product of its digits is 1008000, while the sum is 48.

The square root of 557948145 is about 23620.9259979367. The cubic root of 557948145 is about 823.2491279456.

The spelling of 557948145 in words is "five hundred fifty-seven million, nine hundred forty-eight thousand, one hundred forty-five".