49791669 has 8 divisors (see below), whose sum is σ = 66455712. Its totient is φ = 33161040.

The previous prime is 49791667. The next prime is 49791683. The reversal of 49791669 is 96619794.

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

It is not a de Polignac number, because 49791669 - 2¹ = 49791667 is a prime.

It is a super-2 number, since 2×49791669² = 4958420603611122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49791667) 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, 4639 + ... + 11004.

It is an arithmetic number, because the mean of its divisors is an integer number (8306964).

Almost surely, 2^49791669 is an apocalyptic number.

It is an amenable number.

49791669 is a deficient number, since it is larger than the sum of its proper divisors (16664043).

49791669 is a wasteful number, since it uses less digits than its factorization.

49791669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16707.

The product of its digits is 734832, while the sum is 51.

The square root of 49791669 is about 7056.3212086752. The cubic root of 49791669 is about 367.8907722654.

The spelling of 49791669 in words is "forty-nine million, seven hundred ninety-one thousand, six hundred sixty-nine".