553533420 has 48 divisors (see below), whose sum is σ = 1690795008. Its totient is φ = 134189760.

The previous prime is 553533419. The next prime is 553533439. The reversal of 553533420 is 24335355.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418684 + ... + 420003.

It is an arithmetic number, because the mean of its divisors is an integer number (35224896).

Almost surely, 2^553533420 is an apocalyptic number.

It is an amenable number.

553533420 is an abundant number, since it is smaller than the sum of its proper divisors (1137261588).

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

553533420 is a wasteful number, since it uses less digits than its factorization.

553533420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838710 (or 838708 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 30.

The square root of 553533420 is about 23527.2909617746. The cubic root of 553533420 is about 821.0720758354.

Adding to 553533420 its reverse (24335355), we get a palindrome (577868775).

The spelling of 553533420 in words is "five hundred fifty-three million, five hundred thirty-three thousand, four hundred twenty".