48509842 has 4 divisors (see below), whose sum is σ = 72764766. Its totient is φ = 24254920.

The previous prime is 48509821. The next prime is 48509843. The reversal of 48509842 is 24890584.

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., 45684081 + 2825761 = 6759^2 + 1681^2 .

It is a junction number, because it is equal to n+sod(n) for n = 48509795 and 48509804.

It is not an unprimeable number, because it can be changed into a prime (48509843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12127459 + ... + 12127462.

Almost surely, 2^48509842 is an apocalyptic number.

48509842 is a deficient number, since it is larger than the sum of its proper divisors (24254924).

48509842 is a wasteful number, since it uses less digits than its factorization.

48509842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24254923.

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 48509842 is about 6964.9007171675. The cubic root of 48509842 is about 364.7063178394.

The spelling of 48509842 in words is "forty-eight million, five hundred nine thousand, eight hundred forty-two".