49995973 has 6 divisors (see below), whose sum is σ = 52766214. Its totient is φ = 47364264.

The previous prime is 49995943. The next prime is 49996033. The reversal of 49995973 is 37959994.

It can be written as a sum of positive squares in only one way, i.e., 47568609 + 2427364 = 6897^2 + 1558^2 .

It is not a de Polignac number, because 49995973 - 2⁵ = 49995941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49995943) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68886 + ... + 69607.

It is an arithmetic number, because the mean of its divisors is an integer number (8794369).

Almost surely, 2^49995973 is an apocalyptic number.

It is an amenable number.

49995973 is a deficient number, since it is larger than the sum of its proper divisors (2770241).

49995973 is a wasteful number, since it uses less digits than its factorization.

49995973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138531 (or 138512 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 55.

The square root of 49995973 is about 7070.7830542310. The cubic root of 49995973 is about 368.3932592019.

The spelling of 49995973 in words is "forty-nine million, nine hundred ninety-five thousand, nine hundred seventy-three".