531853056 has 216 divisors, whose sum is σ = 1790952800. Its totient is φ = 151732224.

The previous prime is 531853033. The next prime is 531853079. The reversal of 531853056 is 650358135.

It is an interprime number because it is at equal distance from previous prime (531853033) and next prime (531853079).

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

It is a self number, because there is not a number n which added to its sum of digits gives 531853056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 789936 + ... + 790608.

Almost surely, 2^531853056 is an apocalyptic number.

531853056 is a gapful number since it is divisible by the number (56) 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 531853056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (895476400).

531853056 is an abundant number, since it is smaller than the sum of its proper divisors (1259099744).

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

531853056 is an equidigital number, since it uses as much as digits as its factorization.

531853056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 531853056 is about 23061.9395541659. The cubic root of 531853056 is about 810.2092920536.

The spelling of 531853056 in words is "five hundred thirty-one million, eight hundred fifty-three thousand, fifty-six".