49431863 has 32 divisors (see below), whose sum is σ = 59404800. Its totient is φ = 40715136.

The previous prime is 49431841. The next prime is 49431883. The reversal of 49431863 is 36813494.

It is a cyclic number.

It is not a de Polignac number, because 49431863 - 2¹⁶ = 49366327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49431803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 479870 + ... + 479972.

It is an arithmetic number, because the mean of its divisors is an integer number (1856400).

Almost surely, 2^49431863 is an apocalyptic number.

49431863 is a deficient number, since it is larger than the sum of its proper divisors (9972937).

49431863 is a wasteful number, since it uses less digits than its factorization.

49431863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its digits is 62208, while the sum is 38.

The square root of 49431863 is about 7030.7796864928. The cubic root of 49431863 is about 367.0024748204.

The spelling of 49431863 in words is "forty-nine million, four hundred thirty-one thousand, eight hundred sixty-three".