55668847 has 8 divisors (see below), whose sum is σ = 60674544. Its totient is φ = 50766528.

The previous prime is 55668817. The next prime is 55668853. The reversal of 55668847 is 74886655.

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 55668847 - 2¹⁵ = 55636079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55668847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55668817) 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, 24718 + ... + 26875.

It is an arithmetic number, because the mean of its divisors is an integer number (7584318).

Almost surely, 2^55668847 is an apocalyptic number.

55668847 is a deficient number, since it is larger than the sum of its proper divisors (5005697).

55668847 is a wasteful number, since it uses less digits than its factorization.

55668847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51689.

The product of its digits is 1612800, while the sum is 49.

The square root of 55668847 is about 7461.1558756000. The cubic root of 55668847 is about 381.8306107357.

The spelling of 55668847 in words is "fifty-five million, six hundred sixty-eight thousand, eight hundred forty-seven".