48777181 has 4 divisors (see below), whose sum is σ = 50897952. Its totient is φ = 46656412.

The previous prime is 48777163. The next prime is 48777221. The reversal of 48777181 is 18177784.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48777181 - 2⁵ = 48777149 is a prime.

It is a super-2 number, since 2×48777181² = 4758426772613522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48777151) 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, 1060351 + ... + 1060396.

It is an arithmetic number, because the mean of its divisors is an integer number (12724488).

Almost surely, 2^48777181 is an apocalyptic number.

It is an amenable number.

48777181 is a deficient number, since it is larger than the sum of its proper divisors (2120771).

48777181 is a wasteful number, since it uses less digits than its factorization.

48777181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120770.

The product of its digits is 87808, while the sum is 43.

The square root of 48777181 is about 6984.0662224810. The cubic root of 48777181 is about 365.3750595208.

The spelling of 48777181 in words is "forty-eight million, seven hundred seventy-seven thousand, one hundred eighty-one".