553579640 has 32 divisors (see below), whose sum is σ = 1299710880. Its totient is φ = 211804032.

The previous prime is 553579639. The next prime is 553579643. The reversal of 553579640 is 46975355.

It is a junction number, because it is equal to n+sod(n) for n = 553579591 and 553579600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553579643) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299939 + ... + 301778.

It is an arithmetic number, because the mean of its divisors is an integer number (40615965).

Almost surely, 2^553579640 is an apocalyptic number.

It is an amenable number.

553579640 is an abundant number, since it is smaller than the sum of its proper divisors (746131240).

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

553579640 is a wasteful number, since it uses less digits than its factorization.

553579640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601751 (or 601747 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 553579640 is about 23528.2732048062. The cubic root of 553579640 is about 821.0949283521.

The spelling of 553579640 in words is "five hundred fifty-three million, five hundred seventy-nine thousand, six hundred forty".