49403963 has 4 divisors (see below), whose sum is σ = 56461680. Its totient is φ = 42346248.

The previous prime is 49403957. The next prime is 49403969. The reversal of 49403963 is 36930494.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (49403957) and next prime (49403969).

It is a de Polignac number, because none of the positive numbers 2^k-49403963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49403969) 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, 3528848 + ... + 3528861.

It is an arithmetic number, because the mean of its divisors is an integer number (14115420).

Almost surely, 2^49403963 is an apocalyptic number.

49403963 is a deficient number, since it is larger than the sum of its proper divisors (7057717).

49403963 is an equidigital number, since it uses as much as digits as its factorization.

49403963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7057716.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 49403963 is about 7028.7952737293. The cubic root of 49403963 is about 366.9334148023.

The spelling of 49403963 in words is "forty-nine million, four hundred three thousand, nine hundred sixty-three".