49195391 has 4 divisors (see below), whose sum is σ = 56223312. Its totient is φ = 42167472.

The previous prime is 49195381. The next prime is 49195409. The reversal of 49195391 is 19359194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19359194 = 2 ⋅9679597.

It is a cyclic number.

It is not a de Polignac number, because 49195391 - 2⁶ = 49195327 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 (49195301) 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, 3513950 + ... + 3513963.

It is an arithmetic number, because the mean of its divisors is an integer number (14055828).

Almost surely, 2^49195391 is an apocalyptic number.

49195391 is a deficient number, since it is larger than the sum of its proper divisors (7027921).

49195391 is an equidigital number, since it uses as much as digits as its factorization.

49195391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7027920.

The product of its digits is 43740, while the sum is 41.

The square root of 49195391 is about 7013.9426145357. The cubic root of 49195391 is about 366.4163173538.

The spelling of 49195391 in words is "forty-nine million, one hundred ninety-five thousand, three hundred ninety-one".