557312430 has 32 divisors (see below), whose sum is σ = 1383674400. Its totient is φ = 143491712.

The previous prime is 557312429. The next prime is 557312443. The reversal of 557312430 is 34213755.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319425 + ... + 321164.

It is an arithmetic number, because the mean of its divisors is an integer number (43239825).

Almost surely, 2^557312430 is an apocalyptic number.

557312430 is an abundant number, since it is smaller than the sum of its proper divisors (826361970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

557312430 is a wasteful number, since it uses less digits than its factorization.

557312430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640628.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 557312430 is about 23607.4655564717. The cubic root of 557312430 is about 822.9363445710.

The spelling of 557312430 in words is "five hundred fifty-seven million, three hundred twelve thousand, four hundred thirty".