48639451 has 8 divisors (see below), whose sum is σ = 55710720. Its totient is φ = 41598888.

The previous prime is 48639443. The next prime is 48639511. The reversal of 48639451 is 15493684.

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 48639451 - 2³ = 48639443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48639401) 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, 4171 + ... + 10708.

It is an arithmetic number, because the mean of its divisors is an integer number (6963840).

Almost surely, 2^48639451 is an apocalyptic number.

48639451 is a deficient number, since it is larger than the sum of its proper divisors (7071269).

48639451 is a wasteful number, since it uses less digits than its factorization.

48639451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15353.

The product of its digits is 103680, while the sum is 40.

The square root of 48639451 is about 6974.1989504172. The cubic root of 48639451 is about 365.0308374521.

The spelling of 48639451 in words is "forty-eight million, six hundred thirty-nine thousand, four hundred fifty-one".