49349957 has 4 divisors (see below), whose sum is σ = 49974720. Its totient is φ = 48725196.

The previous prime is 49349947. The next prime is 49349959. The reversal of 49349957 is 75994394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49349957 - 2⁸ = 49349701 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 (49349959) 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, 312263 + ... + 312420.

It is an arithmetic number, because the mean of its divisors is an integer number (12493680).

Almost surely, 2^49349957 is an apocalyptic number.

It is an amenable number.

49349957 is a deficient number, since it is larger than the sum of its proper divisors (624763).

49349957 is an equidigital number, since it uses as much as digits as its factorization.

49349957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624762.

The product of its digits is 1224720, while the sum is 50.

The square root of 49349957 is about 7024.9524553551. The cubic root of 49349957 is about 366.7996614889.

The spelling of 49349957 in words is "forty-nine million, three hundred forty-nine thousand, nine hundred fifty-seven".