55755783 has 20 divisors (see below), whose sum is σ = 83771688. Its totient is φ = 36955440.

The previous prime is 55755773. The next prime is 55755787. The reversal of 55755783 is 38755755.

55755783 is a `hidden beast` number, since 5 + 5 + 75 + 578 + 3 = 666.

It is not a de Polignac number, because 55755783 - 2⁸ = 55755527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55755787) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 12760 + ... + 16562.

Almost surely, 2^55755783 is an apocalyptic number.

55755783 is a deficient number, since it is larger than the sum of its proper divisors (28015905).

55755783 is a wasteful number, since it uses less digits than its factorization.

55755783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3996 (or 3987 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The square root of 55755783 is about 7466.9795098152. The cubic root of 55755783 is about 382.0292709860.

The spelling of 55755783 in words is "fifty-five million, seven hundred fifty-five thousand, seven hundred eighty-three".