49782279 has 16 divisors (see below), whose sum is σ = 68378720. Its totient is φ = 32192640.

The previous prime is 49782221. The next prime is 49782287. The reversal of 49782279 is 97228794.

It is not a de Polignac number, because 49782279 - 2¹⁶ = 49716743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49782079) 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, 59637 + ... + 60465.

It is an arithmetic number, because the mean of its divisors is an integer number (4273670).

Almost surely, 2^49782279 is an apocalyptic number.

49782279 is a deficient number, since it is larger than the sum of its proper divisors (18596441).

49782279 is a wasteful number, since it uses less digits than its factorization.

49782279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410.

The product of its digits is 508032, while the sum is 48.

The square root of 49782279 is about 7055.6558164355. The cubic root of 49782279 is about 367.8676444906.

The spelling of 49782279 in words is "forty-nine million, seven hundred eighty-two thousand, two hundred seventy-nine".