55636847 has 8 divisors (see below), whose sum is σ = 65636352. Its totient is φ = 46150200.

The previous prime is 55636843. The next prime is 55636849. The reversal of 55636847 is 74863655.

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

It is a cyclic number.

It is not a de Polignac number, because 55636847 - 2² = 55636843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55636798 and 55636807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55636843) 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, 127979 + ... + 128412.

It is an arithmetic number, because the mean of its divisors is an integer number (8204544).

Almost surely, 2^55636847 is an apocalyptic number.

55636847 is a deficient number, since it is larger than the sum of its proper divisors (9999505).

55636847 is a wasteful number, since it uses less digits than its factorization.

55636847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256429.

The product of its digits is 604800, while the sum is 44.

The square root of 55636847 is about 7459.0111274887. The cubic root of 55636847 is about 381.7574344313.

The spelling of 55636847 in words is "fifty-five million, six hundred thirty-six thousand, eight hundred forty-seven".