49788669 has 8 divisors (see below), whose sum is σ = 75868480. Its totient is φ = 28450656.

The previous prime is 49788659. The next prime is 49788691. The reversal of 49788669 is 96688794.

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

It is not a de Polignac number, because 49788669 - 2⁴ = 49788653 is a prime.

It is a super-2 number, since 2×49788669² = 4957823121583122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49788659) 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, 1185424 + ... + 1185465.

It is an arithmetic number, because the mean of its divisors is an integer number (9483560).

Almost surely, 2^49788669 is an apocalyptic number.

It is an amenable number.

49788669 is a deficient number, since it is larger than the sum of its proper divisors (26079811).

49788669 is a wasteful number, since it uses less digits than its factorization.

49788669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370899.

The product of its digits is 5225472, while the sum is 57.

The square root of 49788669 is about 7056.1086301162. The cubic root of 49788669 is about 367.8833835161.

The spelling of 49788669 in words is "forty-nine million, seven hundred eighty-eight thousand, six hundred sixty-nine".