47548791 has 24 divisors (see below), whose sum is σ = 70879536. Its totient is φ = 30700800.

The previous prime is 47548783. The next prime is 47548799. The reversal of 47548791 is 19784574.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47548783) and next prime (47548799).

It is not a de Polignac number, because 47548791 - 2³ = 47548783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47548799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38991 + ... + 40191.

It is an arithmetic number, because the mean of its divisors is an integer number (2953314).

Almost surely, 2^47548791 is an apocalyptic number.

47548791 is a deficient number, since it is larger than the sum of its proper divisors (23330745).

47548791 is a wasteful number, since it uses less digits than its factorization.

47548791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343 (or 1340 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 47548791 is about 6895.5631387146. The cubic root of 47548791 is about 362.2817800363.

The spelling of 47548791 in words is "forty-seven million, five hundred forty-eight thousand, seven hundred ninety-one".