557407477 has 8 divisors (see below), whose sum is σ = 610039872. Its totient is φ = 505101600.

The previous prime is 557407471. The next prime is 557407481. The reversal of 557407477 is 774704755.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 557407477 - 2⁷ = 557407349 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 (557407471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78048 + ... + 84889.

It is an arithmetic number, because the mean of its divisors is an integer number (76254984).

Almost surely, 2^557407477 is an apocalyptic number.

It is an amenable number.

557407477 is a deficient number, since it is larger than the sum of its proper divisors (52632395).

557407477 is a wasteful number, since it uses less digits than its factorization.

557407477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163259.

The product of its (nonzero) digits is 960400, while the sum is 46.

The square root of 557407477 is about 23609.4785414672. The cubic root of 557407477 is about 822.9831245460.

The spelling of 557407477 in words is "five hundred fifty-seven million, four hundred seven thousand, four hundred seventy-seven".