50556647 has 8 divisors (see below), whose sum is σ = 51652944. Its totient is φ = 49465728.

The previous prime is 50556643. The next prime is 50556679. The reversal of 50556647 is 74665505.

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 50556647 - 2² = 50556643 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 50556647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50556641) 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, 21848 + ... + 24050.

It is an arithmetic number, because the mean of its divisors is an integer number (6456618).

Almost surely, 2^50556647 is an apocalyptic number.

50556647 is a deficient number, since it is larger than the sum of its proper divisors (1096297).

50556647 is a wasteful number, since it uses less digits than its factorization.

50556647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 50556647 is about 7110.3197537101. The cubic root of 50556647 is about 369.7652443160.

The spelling of 50556647 in words is "fifty million, five hundred fifty-six thousand, six hundred forty-seven".