49731663 has 12 divisors (see below), whose sum is σ = 68155080. Its totient is φ = 32255712.

The previous prime is 49731659. The next prime is 49731673. The reversal of 49731663 is 36613794.

It is not a de Polignac number, because 49731663 - 2² = 49731659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49731673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (5679590).

Almost surely, 2^49731663 is an apocalyptic number.

49731663 is a deficient number, since it is larger than the sum of its proper divisors (18423417).

49731663 is a wasteful number, since it uses less digits than its factorization.

49731663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186 (or 12149 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 49731663 is about 7052.0679945673. The cubic root of 49731663 is about 367.7429260617.

The spelling of 49731663 in words is "forty-nine million, seven hundred thirty-one thousand, six hundred sixty-three".