49905572 has 12 divisors (see below), whose sum is σ = 87459036. Its totient is φ = 24917280.

The previous prime is 49905551. The next prime is 49905589. The reversal of 49905572 is 27550994.

It can be written as a sum of positive squares in 2 ways, for example, as 48664576 + 1240996 = 6976^2 + 1114^2 .

It is a super-2 number, since 2×49905572² = 4981132233294368, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5579 + ... + 11442.

It is an arithmetic number, because the mean of its divisors is an integer number (7288253).

Almost surely, 2^49905572 is an apocalyptic number.

It is an amenable number.

49905572 is a deficient number, since it is larger than the sum of its proper divisors (37553464).

49905572 is a wasteful number, since it uses less digits than its factorization.

49905572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758 (or 17756 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 49905572 is about 7064.3875884609. The cubic root of 49905572 is about 368.1710865633.

The spelling of 49905572 in words is "forty-nine million, nine hundred five thousand, five hundred seventy-two".