557069437 has 4 divisors (see below), whose sum is σ = 559080796. Its totient is φ = 555058080.

The previous prime is 557069431. The next prime is 557069449. The reversal of 557069437 is 734960755.

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

It can be written as a sum of positive squares in 2 ways, for example, as 60047001 + 497022436 = 7749^2 + 22294^2 .

It is a cyclic number.

It is not a de Polignac number, because 557069437 - 2⁷ = 557069309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557069431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005264 + ... + 1005817.

It is an arithmetic number, because the mean of its divisors is an integer number (139770199).

Almost surely, 2^557069437 is an apocalyptic number.

It is an amenable number.

557069437 is a deficient number, since it is larger than the sum of its proper divisors (2011359).

557069437 is a wasteful number, since it uses less digits than its factorization.

557069437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011358.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 557069437 is about 23602.3184666253. The cubic root of 557069437 is about 822.8167247492.

The spelling of 557069437 in words is "five hundred fifty-seven million, sixty-nine thousand, four hundred thirty-seven".