553849920 has 224 divisors, whose sum is σ = 2104583040. Its totient is φ = 136304640.

The previous prime is 553849903. The next prime is 553849957. The reversal of 553849920 is 29948355.

553849920 is a `hidden beast` number, since 5 + 538 + 4 + 99 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109855 + ... + 114785.

It is an arithmetic number, because the mean of its divisors is an integer number (9395460).

Almost surely, 2^553849920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553849920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052291520).

553849920 is an abundant number, since it is smaller than the sum of its proper divisors (1550733120).

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

553849920 is a wasteful number, since it uses less digits than its factorization.

553849920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4970 (or 4954 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 553849920 is about 23534.0162318292. The cubic root of 553849920 is about 821.2285372094.

The spelling of 553849920 in words is "five hundred fifty-three million, eight hundred forty-nine thousand, nine hundred twenty".