48747139 has 4 divisors (see below), whose sum is σ = 55711024. Its totient is φ = 41783256.

The previous prime is 48747067. The next prime is 48747151. The reversal of 48747139 is 93174784.

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 48747139 - 2¹³ = 48738947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 48747095 and 48747104.

It is not an unprimeable number, because it can be changed into a prime (48747199) 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, 3481932 + ... + 3481945.

It is an arithmetic number, because the mean of its divisors is an integer number (13927756).

Almost surely, 2^48747139 is an apocalyptic number.

48747139 is a deficient number, since it is larger than the sum of its proper divisors (6963885).

48747139 is an equidigital number, since it uses as much as digits as its factorization.

48747139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6963884.

The product of its digits is 169344, while the sum is 43.

The square root of 48747139 is about 6981.9151384130. The cubic root of 48747139 is about 365.3000322807.

The spelling of 48747139 in words is "forty-eight million, seven hundred forty-seven thousand, one hundred thirty-nine".