49818983 has 16 divisors (see below), whose sum is σ = 52948896. Its totient is φ = 46811520.

The previous prime is 49818973. The next prime is 49818991. The reversal of 49818983 is 38981894.

It is not a de Polignac number, because 49818983 - 2¹² = 49814887 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49818913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275153 + ... + 275333.

It is an arithmetic number, because the mean of its divisors is an integer number (3309306).

Almost surely, 2^49818983 is an apocalyptic number.

49818983 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

49818983 is a deficient number, since it is larger than the sum of its proper divisors (3129913).

49818983 is a wasteful number, since it uses less digits than its factorization.

49818983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434.

The product of its digits is 497664, while the sum is 50.

The square root of 49818983 is about 7058.2563710877. The cubic root of 49818983 is about 367.9580307170.

The spelling of 49818983 in words is "forty-nine million, eight hundred eighteen thousand, nine hundred eighty-three".