49208951 has 4 divisors (see below), whose sum is σ = 53682504. Its totient is φ = 44735400.

The previous prime is 49208941. The next prime is 49208959. The reversal of 49208951 is 15980294.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49208951 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 (49208959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2236760 + ... + 2236781.

It is an arithmetic number, because the mean of its divisors is an integer number (13420626).

Almost surely, 2^49208951 is an apocalyptic number.

49208951 is a deficient number, since it is larger than the sum of its proper divisors (4473553).

49208951 is a wasteful number, since it uses less digits than its factorization.

49208951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473552.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 49208951 is about 7014.9091939953. The cubic root of 49208951 is about 366.4499800522.

The spelling of 49208951 in words is "forty-nine million, two hundred eight thousand, nine hundred fifty-one".