49311963 has 16 divisors (see below), whose sum is σ = 73879200. Its totient is φ = 32503680.

The previous prime is 49311961. The next prime is 49311967. The reversal of 49311963 is 36911394.

It is not a de Polignac number, because 49311963 - 2¹ = 49311961 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49311961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7858 + ... + 12663.

It is an arithmetic number, because the mean of its divisors is an integer number (4617450).

Almost surely, 2^49311963 is an apocalyptic number.

49311963 is a deficient number, since it is larger than the sum of its proper divisors (24567237).

49311963 is a wasteful number, since it uses less digits than its factorization.

49311963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20619 (or 20613 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 49311963 is about 7022.2477170775. The cubic root of 49311963 is about 366.7055056196.

The spelling of 49311963 in words is "forty-nine million, three hundred eleven thousand, nine hundred sixty-three".