48917538 has 24 divisors (see below), whose sum is σ = 106334748. Its totient is φ = 16252512.

The previous prime is 48917537. The next prime is 48917543. The reversal of 48917538 is 83571984.

It can be written as a sum of positive squares in 2 ways, for example, as 42732369 + 6185169 = 6537^2 + 2487^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48917493 and 48917502.

It is not an unprimeable number, because it can be changed into a prime (48917537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420 + ... + 9992.

Almost surely, 2^48917538 is an apocalyptic number.

48917538 is an abundant number, since it is smaller than the sum of its proper divisors (57417210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48917538 is a wasteful number, since it uses less digits than its factorization.

48917538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8898 (or 8895 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 48917538 is about 6994.1073769281. The cubic root of 48917538 is about 365.7251811387.

It can be divided in two parts, 48917 and 538, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 48917538 in words is "forty-eight million, nine hundred seventeen thousand, five hundred thirty-eight".