1056533436 has 48 divisors (see below), whose sum is σ = 3130471680. Its totient is φ = 301866480.

The previous prime is 1056533431. The next prime is 1056533449. The reversal of 1056533436 is 6343356501.

It is a super-2 number, since 2×1056533436² = 2232525802771932192, which contains 22 as substring.

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 1056533436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056533431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 698010 + ... + 699521.

It is an arithmetic number, because the mean of its divisors is an integer number (65218160).

Almost surely, 2^1056533436 is an apocalyptic number.

It is an amenable number.

1056533436 is an abundant number, since it is smaller than the sum of its proper divisors (2073938244).

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

1056533436 is a wasteful number, since it uses less digits than its factorization.

1056533436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397551 (or 1397543 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 1056533436 is about 32504.3602613557. The cubic root of 1056533436 is about 1018.5001138727.

Adding to 1056533436 its reverse (6343356501), we get a palindrome (7399889937).

The spelling of 1056533436 in words is "one billion, fifty-six million, five hundred thirty-three thousand, four hundred thirty-six".