1855954056 has 64 divisors (see below), whose sum is σ = 5359452480. Its totient is φ = 529326080.

The previous prime is 1855954021. The next prime is 1855954063. The reversal of 1855954056 is 6504595581.

It is a super-2 number, since 2×1855954056² = 6889130915965702272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1855953996 and 1855954014.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 202281 + ... + 211256.

It is an arithmetic number, because the mean of its divisors is an integer number (83741445).

Almost surely, 2^1855954056 is an apocalyptic number.

It is an amenable number.

1855954056 is an abundant number, since it is smaller than the sum of its proper divisors (3503498424).

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

1855954056 is a wasteful number, since it uses less digits than its factorization.

1855954056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413574 (or 413570 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The square root of 1855954056 is about 43080.7852296125. The cubic root of 1855954056 is about 1228.9165897794.

The spelling of 1855954056 in words is "one billion, eight hundred fifty-five million, nine hundred fifty-four thousand, fifty-six".