48721641 has 4 divisors (see below), whose sum is σ = 64962192. Its totient is φ = 32481092.

The previous prime is 48721639. The next prime is 48721661. The reversal of 48721641 is 14612784.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48721641 - 2¹ = 48721639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48721601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8120271 + ... + 8120276.

It is an arithmetic number, because the mean of its divisors is an integer number (16240548).

Almost surely, 2^48721641 is an apocalyptic number.

It is an amenable number.

48721641 is a deficient number, since it is larger than the sum of its proper divisors (16240551).

48721641 is a wasteful number, since it uses less digits than its factorization.

48721641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16240550.

The product of its digits is 10752, while the sum is 33.

The square root of 48721641 is about 6980.0888962821. The cubic root of 48721641 is about 365.2363290911.

The spelling of 48721641 in words is "forty-eight million, seven hundred twenty-one thousand, six hundred forty-one".