56553849 has 64 divisors (see below), whose sum is σ = 101191680. Its totient is φ = 30792960.

The previous prime is 56553821. The next prime is 56553851. The reversal of 56553849 is 94835565.

56553849 is a `hidden beast` number, since 56 + 553 + 8 + 49 = 666.

It is not a de Polignac number, because 56553849 - 2⁹ = 56553337 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56553859) 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 63 ways as a sum of consecutive naturals, for example, 115884 + ... + 116370.

It is an arithmetic number, because the mean of its divisors is an integer number (1581120).

Almost surely, 2^56553849 is an apocalyptic number.

It is an amenable number.

56553849 is a deficient number, since it is larger than the sum of its proper divisors (44637831).

56553849 is a wasteful number, since it uses less digits than its factorization.

56553849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 541 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 56553849 is about 7520.2293183120. The cubic root of 56553849 is about 383.8433809539.

The spelling of 56553849 in words is "fifty-six million, five hundred fifty-three thousand, eight hundred forty-nine".