553698720 has 192 divisors, whose sum is σ = 1967898240. Its totient is φ = 145373184.

The previous prime is 553698713. The next prime is 553698737. The reversal of 553698720 is 27896355.

It is a happy number.

553698720 is a `hidden beast` number, since 5 + 536 + 98 + 7 + 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288484 + ... + 290396.

It is an arithmetic number, because the mean of its divisors is an integer number (10249470).

Almost surely, 2^553698720 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 553698720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983949120).

553698720 is an abundant number, since it is smaller than the sum of its proper divisors (1414199520).

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

553698720 is a wasteful number, since it uses less digits than its factorization.

553698720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 553698720 is about 23530.8036411849. The cubic root of 553698720 is about 821.1537991191.

The spelling of 553698720 in words is "five hundred fifty-three million, six hundred ninety-eight thousand, seven hundred twenty".