49973817 has 4 divisors (see below), whose sum is σ = 66631760. Its totient is φ = 33315876.

The previous prime is 49973801. The next prime is 49973821. The reversal of 49973817 is 71837994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49973817 - 2⁴ = 49973801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49973837) 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, 8328967 + ... + 8328972.

It is an arithmetic number, because the mean of its divisors is an integer number (16657940).

Almost surely, 2^49973817 is an apocalyptic number.

It is an amenable number.

49973817 is a deficient number, since it is larger than the sum of its proper divisors (16657943).

49973817 is a wasteful number, since it uses less digits than its factorization.

49973817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16657942.

The product of its digits is 381024, while the sum is 48.

The square root of 49973817 is about 7069.2161517385. The cubic root of 49973817 is about 368.3388326381.

The spelling of 49973817 in words is "forty-nine million, nine hundred seventy-three thousand, eight hundred seventeen".