553752720 has 320 divisors, whose sum is σ = 2042726400. Its totient is φ = 137479680.

The previous prime is 553752697. The next prime is 553752751. The reversal of 553752720 is 27257355.

It is a happy number.

553752720 is a `hidden beast` number, since 5 + 537 + 52 + 72 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4227055 + ... + 4227185.

It is an arithmetic number, because the mean of its divisors is an integer number (6383520).

Almost surely, 2^553752720 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 553752720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1021363200).

553752720 is an abundant number, since it is smaller than the sum of its proper divisors (1488973680).

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

553752720 is a wasteful number, since it uses less digits than its factorization.

553752720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 553752720 is about 23531.9510453341. The cubic root of 553752720 is about 821.1804928559.

The spelling of 553752720 in words is "five hundred fifty-three million, seven hundred fifty-two thousand, seven hundred twenty".