557764106 has 4 divisors (see below), whose sum is σ = 836646162. Its totient is φ = 278882052.

The previous prime is 557764043. The next prime is 557764139. The reversal of 557764106 is 601467755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436433881 + 121330225 = 20891^2 + 11015^2 .

It is a super-2 number, since 2×557764106² = 622201595883958472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139441025 + ... + 139441028.

Almost surely, 2^557764106 is an apocalyptic number.

557764106 is a deficient number, since it is larger than the sum of its proper divisors (278882056).

557764106 is a wasteful number, since it uses less digits than its factorization.

557764106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278882055.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 557764106 is about 23617.0299995575. The cubic root of 557764106 is about 823.1586018461.

The spelling of 557764106 in words is "five hundred fifty-seven million, seven hundred sixty-four thousand, one hundred six".