1533289056 has 96 divisors (see below), whose sum is σ = 4562691840. Its totient is φ = 446943744.

The previous prime is 1533289039. The next prime is 1533289159. The reversal of 1533289056 is 6509823351.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1533289056² = 4701950658498742272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1533288999 and 1533289017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8620 + ... + 56043.

It is an arithmetic number, because the mean of its divisors is an integer number (47528040).

Almost surely, 2^1533289056 is an apocalyptic number.

1533289056 is a gapful number since it is divisible by the number (16) 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 1533289056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281345920).

1533289056 is an abundant number, since it is smaller than the sum of its proper divisors (3029402784).

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

1533289056 is a wasteful number, since it uses less digits than its factorization.

1533289056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64708 (or 64700 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 1533289056 is about 39157.2350402834. The cubic root of 1533289056 is about 1153.1204617502.

The spelling of 1533289056 in words is "one billion, five hundred thirty-three million, two hundred eighty-nine thousand, fifty-six".