557235538 has 16 divisors (see below), whose sum is σ = 856300896. Its totient is φ = 271817280.

The previous prime is 557235533. The next prime is 557235557. The reversal of 557235538 is 835532755.

557235538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×557235538² = 621022889620298888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 557235494 and 557235503.

It is not an unprimeable number, because it can be changed into a prime (557235533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80170 + ... + 86842.

It is an arithmetic number, because the mean of its divisors is an integer number (53518806).

Almost surely, 2^557235538 is an apocalyptic number.

557235538 is a deficient number, since it is larger than the sum of its proper divisors (299065358).

557235538 is a wasteful number, since it uses less digits than its factorization.

557235538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7689.

The product of its digits is 630000, while the sum is 43.

The square root of 557235538 is about 23605.8369476704. The cubic root of 557235538 is about 822.8984961827.

The spelling of 557235538 in words is "five hundred fifty-seven million, two hundred thirty-five thousand, five hundred thirty-eight".