557381207 has 8 divisors (see below), whose sum is σ = 594755760. Its totient is φ = 520810560.

The previous prime is 557381177. The next prime is 557381213. The reversal of 557381207 is 702183755.

It is a happy number.

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 557381207 - 2¹² = 557377111 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 (557311207) 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, 199544 + ... + 202317.

It is an arithmetic number, because the mean of its divisors is an integer number (74344470).

Almost surely, 2^557381207 is an apocalyptic number.

557381207 is a deficient number, since it is larger than the sum of its proper divisors (37374553).

557381207 is a wasteful number, since it uses less digits than its factorization.

557381207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401953.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 557381207 is about 23608.9221905618. The cubic root of 557381207 is about 822.9701955804.

The spelling of 557381207 in words is "five hundred fifty-seven million, three hundred eighty-one thousand, two hundred seven".