48121538 has 16 divisors (see below), whose sum is σ = 73560960. Its totient is φ = 23605776.

The previous prime is 48121523. The next prime is 48121553. The reversal of 48121538 is 83512184.

48121538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (48121523) and next prime (48121553).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22295 + ... + 24357.

It is an arithmetic number, because the mean of its divisors is an integer number (4597560).

Almost surely, 2^48121538 is an apocalyptic number.

48121538 is a deficient number, since it is larger than the sum of its proper divisors (25439422).

48121538 is a wasteful number, since it uses less digits than its factorization.

48121538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its digits is 7680, while the sum is 32.

The square root of 48121538 is about 6936.9689346284. The cubic root of 48121538 is about 363.7305950450.

The spelling of 48121538 in words is "forty-eight million, one hundred twenty-one thousand, five hundred thirty-eight".