49988945 has 16 divisors (see below), whose sum is σ = 60939648. Its totient is φ = 39361920.

The previous prime is 49988933. The next prime is 49988969. The reversal of 49988945 is 54988994.

It is not a de Polignac number, because 49988945 - 2¹⁰ = 49987921 is a prime.

It is a Duffinian 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, 109157 + ... + 109613.

It is an arithmetic number, because the mean of its divisors is an integer number (3808728).

Almost surely, 2^49988945 is an apocalyptic number.

It is an amenable number.

49988945 is a deficient number, since it is larger than the sum of its proper divisors (10950703).

49988945 is a wasteful number, since it uses less digits than its factorization.

49988945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760.

The product of its digits is 3732480, while the sum is 56.

The square root of 49988945 is about 7070.2860621053. The cubic root of 49988945 is about 368.3759965506.

The spelling of 49988945 in words is "forty-nine million, nine hundred eighty-eight thousand, nine hundred forty-five".