52040147 has 4 divisors (see below), whose sum is σ = 52055400. Its totient is φ = 52024896.

The previous prime is 52040141. The next prime is 52040159. The reversal of 52040147 is 74104025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52040147 - 2⁶ = 52040083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52040141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104 + ... + 10202.

It is an arithmetic number, because the mean of its divisors is an integer number (13013850).

Almost surely, 2^52040147 is an apocalyptic number.

52040147 is a deficient number, since it is larger than the sum of its proper divisors (15253).

52040147 is a wasteful number, since it uses less digits than its factorization.

52040147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15252.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 52040147 is about 7213.8857074395. The cubic root of 52040147 is about 373.3471481034.

The spelling of 52040147 in words is "fifty-two million, forty thousand, one hundred forty-seven".