553820004 has 30 divisors (see below), whose sum is σ = 1447795734. Its totient is φ = 184606560.

The previous prime is 553819969. The next prime is 553820017. The reversal of 553820004 is 400028355.

It can be written as a sum of positive squares in only one way, i.e., 547560000 + 6260004 = 23400^2 + 2502^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 553820004.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 854337 + ... + 854984.

Almost surely, 2^553820004 is an apocalyptic number.

553820004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

553820004 is an abundant number, since it is smaller than the sum of its proper divisors (893975730).

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

553820004 is a wasteful number, since it uses less digits than its factorization.

553820004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709337 (or 1709326 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 553820004 is about 23533.3806326248. The cubic root of 553820004 is about 821.2137508239.

Adding to 553820004 its reverse (400028355), we get a palindrome (953848359).

The spelling of 553820004 in words is "five hundred fifty-three million, eight hundred twenty thousand, four".