55607757 has 8 divisors (see below), whose sum is σ = 74181984. Its totient is φ = 37052688.

The previous prime is 55607753. The next prime is 55607779. The reversal of 55607757 is 75770655.

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

It is not a de Polignac number, because 55607757 - 2² = 55607753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55607753) 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 7 ways as a sum of consecutive naturals, for example, 4638 + ... + 11520.

It is an arithmetic number, because the mean of its divisors is an integer number (9272748).

Almost surely, 2^55607757 is an apocalyptic number.

It is an amenable number.

55607757 is a deficient number, since it is larger than the sum of its proper divisors (18574227).

55607757 is a wasteful number, since it uses less digits than its factorization.

55607757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9579.

The product of its (nonzero) digits is 257250, while the sum is 42.

The square root of 55607757 is about 7457.0608821438. The cubic root of 55607757 is about 381.6908882458.

The spelling of 55607757 in words is "fifty-five million, six hundred seven thousand, seven hundred fifty-seven".