558252728 has 32 divisors (see below), whose sum is σ = 1143990000. Its totient is φ = 253282560.

The previous prime is 558252727. The next prime is 558252769. The reversal of 558252728 is 827252855.

It is a super-2 number, since 2×558252728² = 623292216638883968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (558252727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44498 + ... + 55646.

Almost surely, 2^558252728 is an apocalyptic number.

It is an amenable number.

558252728 is an abundant number, since it is smaller than the sum of its proper divisors (585737272).

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

558252728 is a wasteful number, since it uses less digits than its factorization.

558252728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11735 (or 11731 counting only the distinct ones).

The product of its digits is 448000, while the sum is 44.

The square root of 558252728 is about 23627.3724311443. The cubic root of 558252728 is about 823.3989041554.

The spelling of 558252728 in words is "five hundred fifty-eight million, two hundred fifty-two thousand, seven hundred twenty-eight".