553656012 has 192 divisors, whose sum is σ = 1664538624. Its totient is φ = 139345920.

The previous prime is 553655989. The next prime is 553656031. The reversal of 553656012 is 210656355.

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, 2868588 + ... + 2868780.

It is an arithmetic number, because the mean of its divisors is an integer number (8669472).

Almost surely, 2^553656012 is an apocalyptic number.

553656012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553656012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832269312).

553656012 is an abundant number, since it is smaller than the sum of its proper divisors (1110882612).

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

553656012 is a wasteful number, since it uses less digits than its factorization.

553656012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 553656012 is about 23529.8961323674. The cubic root of 553656012 is about 821.1326861101.

The spelling of 553656012 in words is "five hundred fifty-three million, six hundred fifty-six thousand, twelve".