48149977 has 4 divisors (see below), whose sum is σ = 48255796. Its totient is φ = 48044160.

The previous prime is 48149963. The next prime is 48149993. The reversal of 48149977 is 77994184.

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 41718681 + 6431296 = 6459^2 + 2536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48149977 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 48149977.

It is not an unprimeable number, because it can be changed into a prime (48149957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52224 + ... + 53137.

It is an arithmetic number, because the mean of its divisors is an integer number (12063949).

Almost surely, 2^48149977 is an apocalyptic number.

It is an amenable number.

48149977 is a deficient number, since it is larger than the sum of its proper divisors (105819).

48149977 is a wasteful number, since it uses less digits than its factorization.

48149977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105818.

The product of its digits is 508032, while the sum is 49.

The square root of 48149977 is about 6939.0184464375. The cubic root of 48149977 is about 363.8022337731.

The spelling of 48149977 in words is "forty-eight million, one hundred forty-nine thousand, nine hundred seventy-seven".