1556854848 has 168 divisors, whose sum is σ = 4561316760. Its totient is φ = 507617280.

The previous prime is 1556854841. The next prime is 1556854903. The reversal of 1556854848 is 8484586551.

1556854848 is a `hidden beast` number, since 1 + 5 + 56 + 8 + 548 + 48 = 666.

It is a Cunningham number, because it is equal to 39457²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 60093504 + 1496761344 = 7752^2 + 38688^2 .

It is a super-2 number, since 2×1556854848² = 4847594035482206208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1556854794 and 1556854803.

It is not an unprimeable number, because it can be changed into a prime (1556854841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8601318 + ... + 8601498.

It is an arithmetic number, because the mean of its divisors is an integer number (27150695).

Almost surely, 2^1556854848 is an apocalyptic number.

1556854848 is a gapful number since it is divisible by the number (18) 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 1556854848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2280658380).

1556854848 is an abundant number, since it is smaller than the sum of its proper divisors (3004461912).

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

1556854848 is a wasteful number, since it uses less digits than its factorization.

1556854848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 432 counting only the distinct ones).

The product of its digits is 6144000, while the sum is 54.

The square root of 1556854848 is about 39456.9999873280. Note that the first 4 decimals coincide. The cubic root of 1556854848 is about 1158.9980567449.

The spelling of 1556854848 in words is "one billion, five hundred fifty-six million, eight hundred fifty-four thousand, eight hundred forty-eight".