49205291 has 4 divisors (see below), whose sum is σ = 49238184. Its totient is φ = 49172400.

The previous prime is 49205267. The next prime is 49205297. The reversal of 49205291 is 19250294.

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 49205291 - 2¹⁴ = 49188907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49205297) 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, 14090 + ... + 17231.

It is an arithmetic number, because the mean of its divisors is an integer number (12309546).

Almost surely, 2^49205291 is an apocalyptic number.

49205291 is a deficient number, since it is larger than the sum of its proper divisors (32893).

49205291 is a wasteful number, since it uses less digits than its factorization.

49205291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32892.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 49205291 is about 7014.6483162023. The cubic root of 49205291 is about 366.4408947120.

It can be divided in two parts, 4920 and 5291, that multiplied together give a triangular number (26031720 = T₇₂₁₅).

The spelling of 49205291 in words is "forty-nine million, two hundred five thousand, two hundred ninety-one".