553647996 has 144 divisors (see below), whose sum is σ = 1613364480. Its totient is φ = 158442240.

The previous prime is 553647979. The next prime is 553648013. The reversal of 553647996 is 699746355.

553647996 is a `hidden beast` number, since 55 + 36 + 479 + 96 = 666.

It is an interprime number because it is at equal distance from previous prime (553647979) and next prime (553648013).

It is a super-2 number, since 2×553647996² = 613052206949632032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 810271 + ... + 810953.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^553647996 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 553647996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806682240).

553647996 is an abundant number, since it is smaller than the sum of its proper divisors (1059716484).

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

553647996 is a wasteful number, since it uses less digits than its factorization.

553647996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 811 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 553647996 is about 23529.7257952574. The cubic root of 553647996 is about 821.1287232215.

The spelling of 553647996 in words is "five hundred fifty-three million, six hundred forty-seven thousand, nine hundred ninety-six".