49416779 has 4 divisors (see below), whose sum is σ = 49436784. Its totient is φ = 49396776.

The previous prime is 49416769. The next prime is 49416799. The reversal of 49416779 is 97761494.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49416779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49416769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672 + ... + 11445.

It is an arithmetic number, because the mean of its divisors is an integer number (12359196).

Almost surely, 2^49416779 is an apocalyptic number.

49416779 is a deficient number, since it is larger than the sum of its proper divisors (20005).

49416779 is a wasteful number, since it uses less digits than its factorization.

49416779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20004.

The product of its digits is 381024, while the sum is 47.

The square root of 49416779 is about 7029.7068928939. The cubic root of 49416779 is about 366.9651410835.

The spelling of 49416779 in words is "forty-nine million, four hundred sixteen thousand, seven hundred seventy-nine".