48447091 has 16 divisors (see below), whose sum is σ = 60565248. Its totient is φ = 37648800.

The previous prime is 48447089. The next prime is 48447103. The reversal of 48447091 is 19074484.

It is not a de Polignac number, because 48447091 - 2¹ = 48447089 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 48447091.

It is not an unprimeable number, because it can be changed into a prime (48447031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41076 + ... + 42238.

It is an arithmetic number, because the mean of its divisors is an integer number (3785328).

Almost surely, 2^48447091 is an apocalyptic number.

48447091 is a deficient number, since it is larger than the sum of its proper divisors (12118157).

48447091 is a wasteful number, since it uses less digits than its factorization.

48447091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

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

The square root of 48447091 is about 6960.3944572129. The cubic root of 48447091 is about 364.5489919552.

It can be divided in two parts, 4844 and 7091, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 48447091 in words is "forty-eight million, four hundred forty-seven thousand, ninety-one".