557653930 has 16 divisors (see below), whose sum is σ = 1008164520. Its totient is φ = 222086592.

The previous prime is 557653897. The next prime is 557653949. The reversal of 557653930 is 39356755.

It can be written as a sum of positive squares in 4 ways, for example, as 407272761 + 150381169 = 20181^2 + 12263^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119469 + ... + 124048.

Almost surely, 2^557653930 is an apocalyptic number.

557653930 is a deficient number, since it is larger than the sum of its proper divisors (450510590).

557653930 is a wasteful number, since it uses less digits than its factorization.

557653930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243753.

The product of its (nonzero) digits is 425250, while the sum is 43.

The square root of 557653930 is about 23614.6973302645. The cubic root of 557653930 is about 823.1043983496.

It can be divided in two parts, 55765 and 3930, that added together give a palindrome (59695).

The spelling of 557653930 in words is "five hundred fifty-seven million, six hundred fifty-three thousand, nine hundred thirty".