48291581 has 6 divisors (see below), whose sum is σ = 52292250. Its totient is φ = 44576688.

The previous prime is 48291571. The next prime is 48291587. The reversal of 48291581 is 18519284.

It can be written as a sum of positive squares in 3 ways, for example, as 4268356 + 44023225 = 2066^2 + 6635^2 .

It is not a de Polignac number, because 48291581 - 2⁶ = 48291517 is a prime.

It is a super-2 number, since 2×48291581² = 4664153590959122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48291587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142706 + ... + 143043.

It is an arithmetic number, because the mean of its divisors is an integer number (8715375).

Almost surely, 2^48291581 is an apocalyptic number.

It is an amenable number.

48291581 is a deficient number, since it is larger than the sum of its proper divisors (4000669).

48291581 is a wasteful number, since it uses less digits than its factorization.

48291581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285775 (or 285762 counting only the distinct ones).

The product of its digits is 23040, while the sum is 38.

The square root of 48291581 is about 6949.2144160329. The cubic root of 48291581 is about 364.1585193913.

The spelling of 48291581 in words is "forty-eight million, two hundred ninety-one thousand, five hundred eighty-one".