48539969 has 4 divisors (see below), whose sum is σ = 48620544. Its totient is φ = 48459396.

The previous prime is 48539951. The next prime is 48539987. The reversal of 48539969 is 96993584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (48539951) and next prime (48539987).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48539969 is a prime.

It is a super-2 number, since 2×48539969² = 4712257181041922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48539969.

It is not an unprimeable number, because it can be changed into a prime (48539929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39377 + ... + 40590.

It is an arithmetic number, because the mean of its divisors is an integer number (12155136).

Almost surely, 2^48539969 is an apocalyptic number.

It is an amenable number.

48539969 is a deficient number, since it is larger than the sum of its proper divisors (80575).

48539969 is an equidigital number, since it uses as much as digits as its factorization.

48539969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80574.

The product of its digits is 2099520, while the sum is 53.

The square root of 48539969 is about 6967.0631545867. The cubic root of 48539969 is about 364.7818024075.

The spelling of 48539969 in words is "forty-eight million, five hundred thirty-nine thousand, nine hundred sixty-nine".