48019681 has 8 divisors (see below), whose sum is σ = 48492864. Its totient is φ = 47549040.

The previous prime is 48019639. The next prime is 48019709. The reversal of 48019681 is 18691084.

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 48019681 - 2⁷ = 48019553 is a prime.

It is a super-2 number, since 2×48019681² = 4611779526683522, 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 48019681.

It is not an unprimeable number, because it can be changed into a prime (48019981) 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, 69966 + ... + 70648.

It is an arithmetic number, because the mean of its divisors is an integer number (6061608).

Almost surely, 2^48019681 is an apocalyptic number.

It is an amenable number.

48019681 is a deficient number, since it is larger than the sum of its proper divisors (473183).

48019681 is a wasteful number, since it uses less digits than its factorization.

48019681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 48019681 is about 6929.6234385427. The cubic root of 48019681 is about 363.4737822660.

The spelling of 48019681 in words is "forty-eight million, nineteen thousand, six hundred eighty-one".