48215738 has 4 divisors (see below), whose sum is σ = 72323610. Its totient is φ = 24107868.

The previous prime is 48215737. The next prime is 48215747. The reversal of 48215738 is 83751284.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37173409 + 11042329 = 6097^2 + 3323^2 .

It is not an unprimeable number, because it can be changed into a prime (48215731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12053933 + ... + 12053936.

Almost surely, 2^48215738 is an apocalyptic number.

48215738 is a deficient number, since it is larger than the sum of its proper divisors (24107872).

48215738 is a wasteful number, since it uses less digits than its factorization.

48215738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24107871.

The product of its digits is 53760, while the sum is 38.

The square root of 48215738 is about 6943.7553240304. The cubic root of 48215738 is about 363.9677798233.

The spelling of 48215738 in words is "forty-eight million, two hundred fifteen thousand, seven hundred thirty-eight".