1056555376 has 40 divisors (see below), whose sum is σ = 2129662800. Its totient is φ = 507171840.

The previous prime is 1056555373. The next prime is 1056555377. The reversal of 1056555376 is 6735556501.

It is a super-2 number, since 2×1056555376² = 2232618525109002752, which contains 22 as substring.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056555373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76696 + ... + 89416.

It is an arithmetic number, because the mean of its divisors is an integer number (53241570).

Almost surely, 2^1056555376 is an apocalyptic number.

1056555376 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 1056555376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1064831400).

1056555376 is an abundant number, since it is smaller than the sum of its proper divisors (1073107424).

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

1056555376 is a wasteful number, since it uses less digits than its factorization.

1056555376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937 (or 12931 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 1056555376 is about 32504.6977527864. The cubic root of 1056555376 is about 1018.5071638903.

The spelling of 1056555376 in words is "one billion, fifty-six million, five hundred fifty-five thousand, three hundred seventy-six".