557640554 has 8 divisors (see below), whose sum is σ = 837116640. Its totient is φ = 278601676.

The previous prime is 557640533. The next prime is 557640569. The reversal of 557640554 is 455046755.

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

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, 106094 + ... + 111225.

It is an arithmetic number, because the mean of its divisors is an integer number (104639580).

Almost surely, 2^557640554 is an apocalyptic number.

557640554 is a deficient number, since it is larger than the sum of its proper divisors (279476086).

557640554 is a wasteful number, since it uses less digits than its factorization.

557640554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218604.

The product of its (nonzero) digits is 420000, while the sum is 41.

The square root of 557640554 is about 23614.4141151120. The cubic root of 557640554 is about 823.0978172474.

The spelling of 557640554 in words is "five hundred fifty-seven million, six hundred forty thousand, five hundred fifty-four".