49148047 has 4 divisors (see below), whose sum is σ = 52928680. Its totient is φ = 45367416.

The previous prime is 49148027. The next prime is 49148063. The reversal of 49148047 is 74084194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74084194 = 2 ⋅37042097.

It is a cyclic number.

It is not a de Polignac number, because 49148047 - 2⁷ = 49147919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49147997 and 49148015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49148017) 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, 1890297 + ... + 1890322.

It is an arithmetic number, because the mean of its divisors is an integer number (13232170).

Almost surely, 2^49148047 is an apocalyptic number.

49148047 is a deficient number, since it is larger than the sum of its proper divisors (3780633).

49148047 is a wasteful number, since it uses less digits than its factorization.

49148047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3780632.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 49148047 is about 7010.5668101802. The cubic root of 49148047 is about 366.2987373551.

The spelling of 49148047 in words is "forty-nine million, one hundred forty-eight thousand, forty-seven".