49361491 has 4 divisors (see below), whose sum is σ = 49986400. Its totient is φ = 48736584.

The previous prime is 49361483. The next prime is 49361527. The reversal of 49361491 is 19416394.

49361491 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 49361491 - 2³ = 49361483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49361491.

It is not an unprimeable number, because it can be changed into a prime (49391491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312336 + ... + 312493.

It is an arithmetic number, because the mean of its divisors is an integer number (12496600).

Almost surely, 2^49361491 is an apocalyptic number.

49361491 is a deficient number, since it is larger than the sum of its proper divisors (624909).

49361491 is an equidigital number, since it uses as much as digits as its factorization.

49361491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624908.

The product of its digits is 23328, while the sum is 37.

The square root of 49361491 is about 7025.7733382169. The cubic root of 49361491 is about 366.8282352236.

The spelling of 49361491 in words is "forty-nine million, three hundred sixty-one thousand, four hundred ninety-one".