49699997 has 8 divisors (see below), whose sum is σ = 52183200. Its totient is φ = 47268144.

The previous prime is 49699963. The next prime is 49700011. The reversal of 49699997 is 79999694.

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

It is not a de Polignac number, because 49699997 - 2¹² = 49695901 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 (49699907) 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, 10847 + ... + 14732.

It is an arithmetic number, because the mean of its divisors is an integer number (6522900).

Almost surely, 2^49699997 is an apocalyptic number.

It is an amenable number.

49699997 is a deficient number, since it is larger than the sum of its proper divisors (2483203).

49699997 is a wasteful number, since it uses less digits than its factorization.

49699997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25675.

The product of its digits is 9920232, while the sum is 62.

The square root of 49699997 is about 7049.8224800345. The cubic root of 49699997 is about 367.6648576223.

The spelling of 49699997 in words is "forty-nine million, six hundred ninety-nine thousand, nine hundred ninety-seven".