248555556 has 18 divisors (see below), whose sum is σ = 628293302. Its totient is φ = 82851840.

The previous prime is 248555533. The next prime is 248555569. The reversal of 248555556 is 655555842.

248555556 is a `hidden beast` number, since 2 + 48 + 5 + 55 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213627456 + 34928100 = 14616^2 + 5910^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3452125 + ... + 3452196.

Almost surely, 2^248555556 is an apocalyptic number.

It is an amenable number.

248555556 is an abundant number, since it is smaller than the sum of its proper divisors (379737746).

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

248555556 is a wasteful number, since it uses less digits than its factorization.

248555556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6904331 (or 6904326 counting only the distinct ones).

The product of its digits is 1200000, while the sum is 45.

The square root of 248555556 is about 15765.6448012760. The cubic root of 248555556 is about 628.7449238418.

The spelling of 248555556 in words is "two hundred forty-eight million, five hundred fifty-five thousand, five hundred fifty-six".