49549451 has 4 divisors (see below), whose sum is σ = 56627952. Its totient is φ = 42470952.

The previous prime is 49549433. The next prime is 49549457. The reversal of 49549451 is 15494594.

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 49549451 - 2¹⁸ = 49287307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49549399 and 49549408.

It is not an unprimeable number, because it can be changed into a prime (49549457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3539240 + ... + 3539253.

It is an arithmetic number, because the mean of its divisors is an integer number (14156988).

Almost surely, 2^49549451 is an apocalyptic number.

49549451 is a deficient number, since it is larger than the sum of its proper divisors (7078501).

49549451 is an equidigital number, since it uses as much as digits as its factorization.

49549451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7078500.

The product of its digits is 129600, while the sum is 41.

The square root of 49549451 is about 7039.1370920021. The cubic root of 49549451 is about 367.2932515960.

The spelling of 49549451 in words is "forty-nine million, five hundred forty-nine thousand, four hundred fifty-one".