48138061 has 4 divisors (see below), whose sum is σ = 48160252. Its totient is φ = 48115872.

The previous prime is 48138047. The next prime is 48138107. The reversal of 48138061 is 16083184.

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 31573161 + 16564900 = 5619^2 + 4070^2 .

It is a cyclic number.

It is not a de Polignac number, because 48138061 - 2⁵ = 48138029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48138661) 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, 7440 + ... + 12313.

It is an arithmetic number, because the mean of its divisors is an integer number (12040063).

Almost surely, 2^48138061 is an apocalyptic number.

It is an amenable number.

48138061 is a deficient number, since it is larger than the sum of its proper divisors (22191).

48138061 is a wasteful number, since it uses less digits than its factorization.

48138061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22190.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 48138061 is about 6938.1597704290. The cubic root of 48138061 is about 363.7722204318.

The spelling of 48138061 in words is "forty-eight million, one hundred thirty-eight thousand, sixty-one".