49578243 has 32 divisors (see below), whose sum is σ = 78247680. Its totient is φ = 27527040.

The previous prime is 49578241. The next prime is 49578257. The reversal of 49578243 is 34287594.

It is not a de Polignac number, because 49578243 - 2¹ = 49578241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49578195 and 49578204.

It is not an unprimeable number, because it can be changed into a prime (49578241) 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, 69573 + ... + 70281.

It is an arithmetic number, because the mean of its divisors is an integer number (2445240).

Almost surely, 2^49578243 is an apocalyptic number.

49578243 is a deficient number, since it is larger than the sum of its proper divisors (28669437).

49578243 is a wasteful number, since it uses less digits than its factorization.

49578243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its digits is 241920, while the sum is 42.

The square root of 49578243 is about 7041.1819320339. The cubic root of 49578243 is about 367.3643795933.

The spelling of 49578243 in words is "forty-nine million, five hundred seventy-eight thousand, two hundred forty-three".