48578641 has 4 divisors (see below), whose sum is σ = 48595300. Its totient is φ = 48561984.

The previous prime is 48578633. The next prime is 48578711. The reversal of 48578641 is 14687584.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36300625 + 12278016 = 6025^2 + 3504^2 .

It is a cyclic number.

It is not a de Polignac number, because 48578641 - 2³ = 48578633 is a prime.

It is a super-2 number, since 2×48578641² = 4719768722813762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48578941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2676 + ... + 10213.

It is an arithmetic number, because the mean of its divisors is an integer number (12148825).

Almost surely, 2^48578641 is an apocalyptic number.

It is an amenable number.

48578641 is a deficient number, since it is larger than the sum of its proper divisors (16659).

48578641 is a wasteful number, since it uses less digits than its factorization.

48578641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16658.

The product of its digits is 215040, while the sum is 43.

The square root of 48578641 is about 6969.8379464662. The cubic root of 48578641 is about 364.8786510973.

The spelling of 48578641 in words is "forty-eight million, five hundred seventy-eight thousand, six hundred forty-one".