48999381 has 4 divisors (see below), whose sum is σ = 65332512. Its totient is φ = 32666252.

The previous prime is 48999373. The next prime is 48999383. The reversal of 48999381 is 18399984.

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 48999381 - 2³ = 48999373 is a prime.

It is a super-2 number, since 2×48999381² = 4801878676766322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48999383) 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, 8166561 + ... + 8166566.

It is an arithmetic number, because the mean of its divisors is an integer number (16333128).

Almost surely, 2^48999381 is an apocalyptic number.

It is an amenable number.

48999381 is a deficient number, since it is larger than the sum of its proper divisors (16333131).

48999381 is a wasteful number, since it uses less digits than its factorization.

48999381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333130.

The product of its digits is 559872, while the sum is 51.

The square root of 48999381 is about 6999.9557855746. The cubic root of 48999381 is about 365.9290301045.

The spelling of 48999381 in words is "forty-eight million, nine hundred ninety-nine thousand, three hundred eighty-one".