49205071 has 4 divisors (see below), whose sum is σ = 49828000. Its totient is φ = 48582144.

The previous prime is 49205017. The next prime is 49205077. The reversal of 49205071 is 17050294.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 49205071 - 2¹¹ = 49203023 is a prime.

It is a super-2 number, since 2×49205071² = 4842278024230082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49205077) 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, 311346 + ... + 311503.

It is an arithmetic number, because the mean of its divisors is an integer number (12457000).

Almost surely, 2^49205071 is an apocalyptic number.

49205071 is a deficient number, since it is larger than the sum of its proper divisors (622929).

49205071 is an equidigital number, since it uses as much as digits as its factorization.

49205071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622928.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 49205071 is about 7014.6326347144. The cubic root of 49205071 is about 366.4403485843.

It can be divided in two parts, 49 and 205071, that added together give a triangular number (205120 = T₆₄₀).

The spelling of 49205071 in words is "forty-nine million, two hundred five thousand, seventy-one".