52638147 has 16 divisors (see below), whose sum is σ = 78504960. Its totient is φ = 34857000.

The previous prime is 52638143. The next prime is 52638197. The reversal of 52638147 is 74183625.

52638147 is a `hidden beast` number, since 5 + 2 + 638 + 14 + 7 = 666.

It is not a de Polignac number, because 52638147 - 2² = 52638143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52638143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2379 + ... + 10532.

It is an arithmetic number, because the mean of its divisors is an integer number (4906560).

Almost surely, 2^52638147 is an apocalyptic number.

52638147 is a deficient number, since it is larger than the sum of its proper divisors (25866813).

52638147 is a wasteful number, since it uses less digits than its factorization.

52638147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13065 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 52638147 is about 7255.2151587668. The cubic root of 52638147 is about 374.7717651184.

The spelling of 52638147 in words is "fifty-two million, six hundred thirty-eight thousand, one hundred forty-seven".