49999953 has 16 divisors (see below), whose sum is σ = 69866496. Its totient is φ = 31746000.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999953 is 35999994.

It is not a de Polignac number, because 49999953 - 2⁵ = 49999921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49999893 and 49999902.

It is not an unprimeable number, because it can be changed into a prime (49999903) 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, 15876 + ... + 18762.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656).

Almost surely, 2^49999953 is an apocalyptic number.

It is an amenable number.

49999953 is a deficient number, since it is larger than the sum of its proper divisors (19866543).

49999953 is a wasteful number, since it uses less digits than its factorization.

49999953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164.

The product of its digits is 3542940, while the sum is 57.

The square root of 49999953 is about 7071.0644884628. The cubic root of 49999953 is about 368.4030344310.

The spelling of 49999953 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred fifty-three".