49645558 has 16 divisors (see below), whose sum is σ = 75248640. Its totient is φ = 24564456.

The previous prime is 49645553. The next prime is 49645571. The reversal of 49645558 is 85554694.

It is a super-3 number, since 3×49645558³ (a number of 24 digits) contains 333 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49645553) 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 7 ways as a sum of consecutive naturals, for example, 135091 + ... + 135457.

It is an arithmetic number, because the mean of its divisors is an integer number (4703040).

Almost surely, 2^49645558 is an apocalyptic number.

49645558 is a deficient number, since it is larger than the sum of its proper divisors (25603082).

49645558 is a wasteful number, since it uses less digits than its factorization.

49645558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891.

The product of its digits is 864000, while the sum is 46.

The square root of 49645558 is about 7045.9604029543. The cubic root of 49645558 is about 367.5305677445.

The spelling of 49645558 in words is "forty-nine million, six hundred forty-five thousand, five hundred fifty-eight".