55688061 has 32 divisors (see below), whose sum is σ = 87736320. Its totient is φ = 30974400.

The previous prime is 55688051. The next prime is 55688077. The reversal of 55688061 is 16088655.

It is not a de Polignac number, because 55688061 - 2⁵ = 55688029 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55688011) 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 31 ways as a sum of consecutive naturals, for example, 116020 + ... + 116498.

It is an arithmetic number, because the mean of its divisors is an integer number (2741760).

Almost surely, 2^55688061 is an apocalyptic number.

It is an amenable number.

55688061 is a deficient number, since it is larger than the sum of its proper divisors (32048259).

55688061 is a wasteful number, since it uses less digits than its factorization.

55688061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 55688061 is about 7462.4433666193. The cubic root of 55688061 is about 381.8745350600.

The spelling of 55688061 in words is "fifty-five million, six hundred eighty-eight thousand, sixty-one".