49263643 has 16 divisors (see below), whose sum is σ = 58867200. Its totient is φ = 40632480.

The previous prime is 49263629. The next prime is 49263649. The reversal of 49263643 is 34636294.

It is a cyclic number.

It is not a de Polignac number, because 49263643 - 2⁵ = 49263611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49263649) 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, 5518 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (3679200).

Almost surely, 2^49263643 is an apocalyptic number.

49263643 is a deficient number, since it is larger than the sum of its proper divisors (9603557).

49263643 is a wasteful number, since it uses less digits than its factorization.

49263643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5922.

The product of its digits is 93312, while the sum is 37.

The square root of 49263643 is about 7018.8063800051. The cubic root of 49263643 is about 366.5856901989.

The spelling of 49263643 in words is "forty-nine million, two hundred sixty-three thousand, six hundred forty-three".