48181165 has 4 divisors (see below), whose sum is σ = 57817404. Its totient is φ = 38544928.

The previous prime is 48181139. The next prime is 48181171. The reversal of 48181165 is 56118184.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34327881 + 13853284 = 5859^2 + 3722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48181165 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48181165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4818112 + ... + 4818121.

It is an arithmetic number, because the mean of its divisors is an integer number (14454351).

Almost surely, 2^48181165 is an apocalyptic number.

It is an amenable number.

48181165 is a deficient number, since it is larger than the sum of its proper divisors (9636239).

48181165 is an equidigital number, since it uses as much as digits as its factorization.

48181165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9636238.

The product of its digits is 7680, while the sum is 34.

The square root of 48181165 is about 6941.2653745553. The cubic root of 48181165 is about 363.8807648953.

The spelling of 48181165 in words is "forty-eight million, one hundred eighty-one thousand, one hundred sixty-five".