49207881 has 8 divisors (see below), whose sum is σ = 67727104. Its totient is φ = 31746960.

The previous prime is 49207861. The next prime is 49207883. The reversal of 49207881 is 18870294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49207881 - 2⁹ = 49207369 is a prime.

It is a super-2 number, since 2×49207881² = 4842831105020322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49207883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264466 + ... + 264651.

It is an arithmetic number, because the mean of its divisors is an integer number (8465888).

Almost surely, 2^49207881 is an apocalyptic number.

It is an amenable number.

49207881 is a deficient number, since it is larger than the sum of its proper divisors (18519223).

49207881 is a wasteful number, since it uses less digits than its factorization.

49207881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529151.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 49207881 is about 7014.8329274474. The cubic root of 49207881 is about 366.4473240020.

The spelling of 49207881 in words is "forty-nine million, two hundred seven thousand, eight hundred eighty-one".