48345581 has 8 divisors (see below), whose sum is σ = 50458680. Its totient is φ = 46262272.

The previous prime is 48345559. The next prime is 48345589. The reversal of 48345581 is 18554384.

It can be written as a sum of positive squares in 4 ways, for example, as 265225 + 48080356 = 515^2 + 6934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48345581 - 2¹⁸ = 48083437 is a prime.

It is a super-2 number, since 2×48345581² = 4674590404455122, 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 (48345589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4100 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (6307335).

Almost surely, 2^48345581 is an apocalyptic number.

It is an amenable number.

48345581 is a deficient number, since it is larger than the sum of its proper divisors (2113099).

48345581 is a wasteful number, since it uses less digits than its factorization.

48345581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14895.

The product of its digits is 76800, while the sum is 38.

The square root of 48345581 is about 6953.0986617479. The cubic root of 48345581 is about 364.2942037384.

It can be divided in two parts, 483 and 45581, that added together give a palindrome (46064).

The spelling of 48345581 in words is "forty-eight million, three hundred forty-five thousand, five hundred eighty-one".