48491569 has 8 divisors (see below), whose sum is σ = 56358720. Its totient is φ = 40859376.

The previous prime is 48491563. The next prime is 48491579. The reversal of 48491569 is 96519484.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48491569 - 2⁵ = 48491537 is a prime.

It is a super-4 number, since 4×48491569⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48491563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58294 + ... + 59119.

It is an arithmetic number, because the mean of its divisors is an integer number (7044840).

Almost surely, 2^48491569 is an apocalyptic number.

It is an amenable number.

48491569 is a deficient number, since it is larger than the sum of its proper divisors (7867151).

48491569 is a wasteful number, since it uses less digits than its factorization.

48491569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117479.

The product of its digits is 311040, while the sum is 46.

The square root of 48491569 is about 6963.5888017602. The cubic root of 48491569 is about 364.6605187793.

The spelling of 48491569 in words is "forty-eight million, four hundred ninety-one thousand, five hundred sixty-nine".