49996973 has 4 divisors (see below), whose sum is σ = 53842908. Its totient is φ = 46151040.

The previous prime is 49996951. The next prime is 49996981. The reversal of 49996973 is 37969994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34140649 + 15856324 = 5843^2 + 3982^2 .

It is not a de Polignac number, because 49996973 - 2⁶ = 49996909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49996913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1922948 + ... + 1922973.

It is an arithmetic number, because the mean of its divisors is an integer number (13460727).

Almost surely, 2^49996973 is an apocalyptic number.

It is an amenable number.

49996973 is a deficient number, since it is larger than the sum of its proper divisors (3845935).

49996973 is a wasteful number, since it uses less digits than its factorization.

49996973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3845934.

The product of its digits is 3306744, while the sum is 56.

The square root of 49996973 is about 7070.8537674032. The cubic root of 49996973 is about 368.3957153384.

The spelling of 49996973 in words is "forty-nine million, nine hundred ninety-six thousand, nine hundred seventy-three".