48509745 has 8 divisors (see below), whose sum is σ = 77615616. Its totient is φ = 25871856.

The previous prime is 48509731. The next prime is 48509753. The reversal of 48509745 is 54790584.

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

It is not a de Polignac number, because 48509745 - 2⁴ = 48509729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48509697 and 48509706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616977 + ... + 1617006.

It is an arithmetic number, because the mean of its divisors is an integer number (9701952).

Almost surely, 2^48509745 is an apocalyptic number.

It is an amenable number.

48509745 is a deficient number, since it is larger than the sum of its proper divisors (29105871).

48509745 is a wasteful number, since it uses less digits than its factorization.

48509745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233991.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 48509745 is about 6964.8937536764. The cubic root of 48509745 is about 364.7060747510.

The spelling of 48509745 in words is "forty-eight million, five hundred nine thousand, seven hundred forty-five".