49965597 has 24 divisors (see below), whose sum is σ = 78960960. Its totient is φ = 30194880.

The previous prime is 49965569. The next prime is 49965607. The reversal of 49965597 is 79556994.

49965597 is a `hidden beast` number, since 49 + 9 + 6 + 5 + 597 = 666.

It is not a de Polignac number, because 49965597 - 2¹⁵ = 49932829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49965547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55888 + ... + 56774.

It is an arithmetic number, because the mean of its divisors is an integer number (3290040).

Almost surely, 2^49965597 is an apocalyptic number.

It is an amenable number.

49965597 is a deficient number, since it is larger than the sum of its proper divisors (28995363).

49965597 is a wasteful number, since it uses less digits than its factorization.

49965597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1470 counting only the distinct ones).

The product of its digits is 3061800, while the sum is 54.

The square root of 49965597 is about 7068.6347338082. The cubic root of 49965597 is about 368.3186359871.

The spelling of 49965597 in words is "forty-nine million, nine hundred sixty-five thousand, five hundred ninety-seven".