49659797 has 16 divisors (see below), whose sum is σ = 56297472. Its totient is φ = 43409520.

The previous prime is 49659793. The next prime is 49659811. The reversal of 49659797 is 79795694.

It is not a de Polignac number, because 49659797 - 2² = 49659793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49659793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30908 + ... + 32474.

It is an arithmetic number, because the mean of its divisors is an integer number (3518592).

Almost surely, 2^49659797 is an apocalyptic number.

It is an amenable number.

49659797 is a deficient number, since it is larger than the sum of its proper divisors (6637675).

49659797 is a wasteful number, since it uses less digits than its factorization.

49659797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its digits is 4286520, while the sum is 56.

The square root of 49659797 is about 7046.9707676419. The cubic root of 49659797 is about 367.5657019217.

It can be divided in two parts, 496597 and 97, that added together give a palindrome (496694).

The spelling of 49659797 in words is "forty-nine million, six hundred fifty-nine thousand, seven hundred ninety-seven".