47539039 has 4 divisors (see below), whose sum is σ = 48436056. Its totient is φ = 46642024.

The previous prime is 47539003. The next prime is 47539057. The reversal of 47539039 is 93093574.

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 47539039 - 2¹⁷ = 47407967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47538992 and 47539010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47539099) 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, 448429 + ... + 448534.

It is an arithmetic number, because the mean of its divisors is an integer number (12109014).

Almost surely, 2^47539039 is an apocalyptic number.

47539039 is a deficient number, since it is larger than the sum of its proper divisors (897017).

47539039 is an equidigital number, since it uses as much as digits as its factorization.

47539039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897016.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 47539039 is about 6894.8559810920. The cubic root of 47539039 is about 362.2570109980.

The spelling of 47539039 in words is "forty-seven million, five hundred thirty-nine thousand, thirty-nine".