49493777 has 8 divisors (see below), whose sum is σ = 50020200. Its totient is φ = 48970240.

The previous prime is 49493767. The next prime is 49493789. The reversal of 49493777 is 77739494.

It can be written as a sum of positive squares in 4 ways, for example, as 1731856 + 47761921 = 1316^2 + 6911^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49493777 - 2¹⁰ = 49492753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49493767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52127 + ... + 53067.

It is an arithmetic number, because the mean of its divisors is an integer number (6252525).

Almost surely, 2^49493777 is an apocalyptic number.

It is an amenable number.

49493777 is a deficient number, since it is larger than the sum of its proper divisors (526423).

49493777 is a wasteful number, since it uses less digits than its factorization.

49493777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443.

The product of its digits is 1333584, while the sum is 50.

The square root of 49493777 is about 7035.1813764821. The cubic root of 49493777 is about 367.1556358901.

The spelling of 49493777 in words is "forty-nine million, four hundred ninety-three thousand, seven hundred seventy-seven".