49445 has 16 divisors (see below), whose sum is σ = 69120. Its totient is φ = 33600.

The previous prime is 49433. The next prime is 49451. The reversal of 49445 is 54494.

It is not a de Polignac number, because 49445 - 2⁴ = 49429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580 + ... + 1610.

It is an arithmetic number, because the mean of its divisors is an integer number (4320).

2⁴⁹⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

49445 is a deficient number, since it is larger than the sum of its proper divisors (19675).

49445 is a wasteful number, since it uses less digits than its factorization.

49445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76.

The product of its digits is 2880, while the sum is 26.

The square root of 49445 is about 222.3623169514. The cubic root of 49445 is about 36.7034983437.

Adding to 49445 its product of digits (2880), we get a palindrome (52325).

It can be divided in two parts, 49 and 445, that added together give a palindrome (494).

The spelling of 49445 in words is "forty-nine thousand, four hundred forty-five".