55655782 has 32 divisors (see below), whose sum is σ = 103182912. Its totient is φ = 21924864.

The previous prime is 55655767. The next prime is 55655783. The reversal of 55655782 is 28755655.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55655783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56478 + ... + 57454.

It is an arithmetic number, because the mean of its divisors is an integer number (3224466).

Almost surely, 2^55655782 is an apocalyptic number.

55655782 is a deficient number, since it is larger than the sum of its proper divisors (47527130).

55655782 is a wasteful number, since it uses less digits than its factorization.

55655782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its digits is 420000, while the sum is 43.

The square root of 55655782 is about 7460.2802896406. The cubic root of 55655782 is about 381.8007376109.

The spelling of 55655782 in words is "fifty-five million, six hundred fifty-five thousand, seven hundred eighty-two".