557000743 has 4 divisors (see below), whose sum is σ = 599846968. Its totient is φ = 514154520.

The previous prime is 557000693. The next prime is 557000779. The reversal of 557000743 is 347000755.

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

It is a cyclic number.

It is not a de Polignac number, because 557000743 - 2¹³ = 556992551 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 (557000783) 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, 21423093 + ... + 21423118.

It is an arithmetic number, because the mean of its divisors is an integer number (149961742).

Almost surely, 2^557000743 is an apocalyptic number.

557000743 is a deficient number, since it is larger than the sum of its proper divisors (42846225).

557000743 is a wasteful number, since it uses less digits than its factorization.

557000743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42846224.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 557000743 is about 23600.8631833668. The cubic root of 557000743 is about 822.7829019784.

The spelling of 557000743 in words is "five hundred fifty-seven million, seven hundred forty-three", and thus it is an aban number.