1052061556 has 72 divisors (see below), whose sum is σ = 2316179040. Its totient is φ = 414445248.

The previous prime is 1052061511. The next prime is 1052061611. The reversal of 1052061556 is 6551602501.

It is a super-2 number, since 2×1052061556² = 2213667035226282272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 720355 + ... + 721813.

Almost surely, 2^1052061556 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 1052061556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158089520).

1052061556 is an abundant number, since it is smaller than the sum of its proper divisors (1264117484).

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

1052061556 is a wasteful number, since it uses less digits than its factorization.

1052061556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1052061556 is about 32435.4983929645. The cubic root of 1052061556 is about 1017.0611149637.

The spelling of 1052061556 in words is "one billion, fifty-two million, sixty-one thousand, five hundred fifty-six".