49697197 has 4 divisors (see below), whose sum is σ = 54215136. Its totient is φ = 45179260.

The previous prime is 49697177. The next prime is 49697203. The reversal of 49697197 is 79179694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49697197 - 2¹⁹ = 49172909 is a prime.

It is a super-2 number, since 2×49697197² = 4939622779313618, 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 (49697107) 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, 2258953 + ... + 2258974.

It is an arithmetic number, because the mean of its divisors is an integer number (13553784).

Almost surely, 2^49697197 is an apocalyptic number.

It is an amenable number.

49697197 is a deficient number, since it is larger than the sum of its proper divisors (4517939).

49697197 is a wasteful number, since it uses less digits than its factorization.

49697197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4517938.

The product of its digits is 857304, while the sum is 52.

The square root of 49697197 is about 7049.6238906767. The cubic root of 49697197 is about 367.6579529878.

It can be divided in two parts, 49697 and 197, that added together give a palindrome (49894).

The spelling of 49697197 in words is "forty-nine million, six hundred ninety-seven thousand, one hundred ninety-seven".