48087921 has 8 divisors (see below), whose sum is σ = 73276864. Its totient is φ = 27478800.

The previous prime is 48087911. The next prime is 48087953. The reversal of 48087921 is 12978084.

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

It is a de Polignac number, because none of the positive numbers 2^k-48087921 is a prime.

It is a super-3 number, since 3×48087921³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48087921.

It is not an unprimeable number, because it can be changed into a prime (48087911) 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, 1144930 + ... + 1144971.

It is an arithmetic number, because the mean of its divisors is an integer number (9159608).

Almost surely, 2^48087921 is an apocalyptic number.

It is an amenable number.

48087921 is a deficient number, since it is larger than the sum of its proper divisors (25188943).

48087921 is a wasteful number, since it uses less digits than its factorization.

48087921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289911.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 48087921 is about 6934.5454789770. The cubic root of 48087921 is about 363.6458763629.

The spelling of 48087921 in words is "forty-eight million, eighty-seven thousand, nine hundred twenty-one".