55688307 has 8 divisors (see below), whose sum is σ = 76646400. Its totient is φ = 35927880.

The previous prime is 55688287. The next prime is 55688309. The reversal of 55688307 is 70388655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55688307 - 2⁷ = 55688179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55688309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299307 + ... + 299492.

It is an arithmetic number, because the mean of its divisors is an integer number (9580800).

Almost surely, 2^55688307 is an apocalyptic number.

55688307 is a deficient number, since it is larger than the sum of its proper divisors (20958093).

55688307 is a wasteful number, since it uses less digits than its factorization.

55688307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598833.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 55688307 is about 7462.4598491382. The cubic root of 55688307 is about 381.8750973648.

The spelling of 55688307 in words is "fifty-five million, six hundred eighty-eight thousand, three hundred seven".