538555047 has 8 divisors (see below), whose sum is σ = 718358256. Its totient is φ = 358894272.

The previous prime is 538555021. The next prime is 538555079. The reversal of 538555047 is 740555835.

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

It is a de Polignac number, because none of the positive numbers 2^k-538555047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538555007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26448 + ... + 42149.

It is an arithmetic number, because the mean of its divisors is an integer number (89794782).

Almost surely, 2^538555047 is an apocalyptic number.

538555047 is a deficient number, since it is larger than the sum of its proper divisors (179803209).

538555047 is a wasteful number, since it uses less digits than its factorization.

538555047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71217.

The product of its (nonzero) digits is 420000, while the sum is 42.

The square root of 538555047 is about 23206.7888127591. The cubic root of 538555047 is about 813.5983017405.

The spelling of 538555047 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, forty-seven".