55783546 has 16 divisors (see below), whose sum is σ = 102985344. Its totient is φ = 22068144.

The previous prime is 55783543. The next prime is 55783549. The reversal of 55783546 is 64538755.

55783546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55783543) and next prime (55783549).

It is a super-2 number, since 2×55783546² = 6223608008668232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55783543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153070 + ... + 153433.

It is an arithmetic number, because the mean of its divisors is an integer number (6436584).

Almost surely, 2^55783546 is an apocalyptic number.

55783546 is a deficient number, since it is larger than the sum of its proper divisors (47201798).

55783546 is a wasteful number, since it uses less digits than its factorization.

55783546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306525.

The product of its digits is 504000, while the sum is 43.

The square root of 55783546 is about 7468.8383300216. The cubic root of 55783546 is about 382.0926696037.

The spelling of 55783546 in words is "fifty-five million, seven hundred eighty-three thousand, five hundred forty-six".