49912945 has 16 divisors (see below), whose sum is σ = 62853120. Its totient is φ = 38001600.

The previous prime is 49912937. The next prime is 49913009. The reversal of 49912945 is 54921994.

It is not a de Polignac number, because 49912945 - 2³ = 49912937 is a prime.

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, 6816 + ... + 12094.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 2^49912945 is an apocalyptic number.

It is an amenable number.

49912945 is a deficient number, since it is larger than the sum of its proper divisors (12940175).

49912945 is a wasteful number, since it uses less digits than its factorization.

49912945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376.

The product of its digits is 116640, while the sum is 43.

The square root of 49912945 is about 7064.9094120165. The cubic root of 49912945 is about 368.1892167482.

The spelling of 49912945 in words is "forty-nine million, nine hundred twelve thousand, nine hundred forty-five".