48919747 has 4 divisors (see below), whose sum is σ = 49394800. Its totient is φ = 48444696.

The previous prime is 48919669. The next prime is 48919751. The reversal of 48919747 is 74791984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48919747 is a prime.

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 48919747.

It is not an unprimeable number, because it can be changed into a prime (48910747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237372 + ... + 237577.

It is an arithmetic number, because the mean of its divisors is an integer number (12348700).

Almost surely, 2^48919747 is an apocalyptic number.

48919747 is a deficient number, since it is larger than the sum of its proper divisors (475053).

48919747 is a wasteful number, since it uses less digits than its factorization.

48919747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475052.

The product of its digits is 508032, while the sum is 49.

The square root of 48919747 is about 6994.2652937961. The cubic root of 48919747 is about 365.7306861498.

The spelling of 48919747 in words is "forty-eight million, nine hundred nineteen thousand, seven hundred forty-seven".