1055851356 has 72 divisors (see below), whose sum is σ = 2971678080. Its totient is φ = 285786144.

The previous prime is 1055851333. The next prime is 1055851361. The reversal of 1055851356 is 6531585501.

It is a super-2 number, since 2×1055851356² = 2229644171934077472, which contains 22 as substring.

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, 12915 + ... + 47733.

Almost surely, 2^1055851356 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 1055851356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1485839040).

1055851356 is an abundant number, since it is smaller than the sum of its proper divisors (1915826724).

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

1055851356 is a wasteful number, since it uses less digits than its factorization.

1055851356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34871 (or 34850 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 1055851356 is about 32493.8664366062. The cubic root of 1055851356 is about 1018.2808912456.

The spelling of 1055851356 in words is "one billion, fifty-five million, eight hundred fifty-one thousand, three hundred fifty-six".