557651065 has 4 divisors (see below), whose sum is σ = 669181284. Its totient is φ = 446120848.

The previous prime is 557651057. The next prime is 557651089. The reversal of 557651065 is 560156755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560156755 = 5 ⋅112031351.

It can be written as a sum of positive squares in 2 ways, for example, as 248629824 + 309021241 = 15768^2 + 17579^2 .

It is a cyclic number.

It is not a de Polignac number, because 557651065 - 2³ = 557651057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55765102 + ... + 55765111.

It is an arithmetic number, because the mean of its divisors is an integer number (167295321).

Almost surely, 2^557651065 is an apocalyptic number.

It is an amenable number.

557651065 is a deficient number, since it is larger than the sum of its proper divisors (111530219).

557651065 is a wasteful number, since it uses less digits than its factorization.

557651065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111530218.

The product of its (nonzero) digits is 157500, while the sum is 40.

The square root of 557651065 is about 23614.6366688120. The cubic root of 557651065 is about 823.1029887549.

The spelling of 557651065 in words is "five hundred fifty-seven million, six hundred fifty-one thousand, sixty-five".