49756539 has 16 divisors (see below), whose sum is σ = 76573440. Its totient is φ = 28149600.

The previous prime is 49756517. The next prime is 49756549. The reversal of 49756539 is 93565794.

It is not a de Polignac number, because 49756539 - 2¹⁵ = 49723771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49756549) 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, 9609 + ... + 13850.

It is an arithmetic number, because the mean of its divisors is an integer number (4785840).

Almost surely, 2^49756539 is an apocalyptic number.

49756539 is a deficient number, since it is larger than the sum of its proper divisors (26816901).

49756539 is a wasteful number, since it uses less digits than its factorization.

49756539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23570.

The product of its digits is 1020600, while the sum is 48.

The square root of 49756539 is about 7053.8315120224. The cubic root of 49756539 is about 367.8042313926.

The spelling of 49756539 in words is "forty-nine million, seven hundred fifty-six thousand, five hundred thirty-nine".