49764587 has 4 divisors (see below), whose sum is σ = 50823456. Its totient is φ = 48705720.

The previous prime is 49764581. The next prime is 49764599. The reversal of 49764587 is 78546794.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49764587 - 2¹⁴ = 49748203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49764581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 529364 + ... + 529457.

It is an arithmetic number, because the mean of its divisors is an integer number (12705864).

Almost surely, 2^49764587 is an apocalyptic number.

49764587 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

49764587 is a deficient number, since it is larger than the sum of its proper divisors (1058869).

49764587 is a wasteful number, since it uses less digits than its factorization.

49764587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058868.

The product of its digits is 1693440, while the sum is 50.

The square root of 49764587 is about 7054.4019590607. The cubic root of 49764587 is about 367.8240608055.

The spelling of 49764587 in words is "forty-nine million, seven hundred sixty-four thousand, five hundred eighty-seven".