48147511 has 4 divisors (see below), whose sum is σ = 49807800. Its totient is φ = 46487224.

The previous prime is 48147509. The next prime is 48147521. The reversal of 48147511 is 11574184.

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 48147511 - 2¹ = 48147509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48147521) 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, 830101 + ... + 830158.

It is an arithmetic number, because the mean of its divisors is an integer number (12451950).

Almost surely, 2^48147511 is an apocalyptic number.

48147511 is a deficient number, since it is larger than the sum of its proper divisors (1660289).

48147511 is a wasteful number, since it uses less digits than its factorization.

48147511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660288.

The product of its digits is 4480, while the sum is 31.

The square root of 48147511 is about 6938.8407533247. The cubic root of 48147511 is about 363.7960229593.

The spelling of 48147511 in words is "forty-eight million, one hundred forty-seven thousand, five hundred eleven".