49475891 has 2 divisors, whose sum is σ = 49475892. Its totient is φ = 49475890.

The previous prime is 49475887. The next prime is 49475911. The reversal of 49475891 is 19857494.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49475891 - 2² = 49475887 is a prime.

It is a super-3 number, since 3×49475891³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49475821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24737945 + 24737946.

It is an arithmetic number, because the mean of its divisors is an integer number (24737946).

Almost surely, 2^49475891 is an apocalyptic number.

49475891 is a deficient number, since it is larger than the sum of its proper divisors (1).

49475891 is an equidigital number, since it uses as much as digits as its factorization.

49475891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 47.

The square root of 49475891 is about 7033.9100790385. The cubic root of 49475891 is about 367.1114031447. Note that the first 3 decimals are identical.

The spelling of 49475891 in words is "forty-nine million, four hundred seventy-five thousand, eight hundred ninety-one".