49031697 has 32 divisors (see below), whose sum is σ = 78906240. Its totient is φ = 26680320.

The previous prime is 49031693. The next prime is 49031711. The reversal of 49031697 is 79613094.

It is not a de Polignac number, because 49031697 - 2² = 49031693 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (49031693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14329 + ... + 17417.

It is an arithmetic number, because the mean of its divisors is an integer number (2465820).

Almost surely, 2^49031697 is an apocalyptic number.

It is an amenable number.

49031697 is a deficient number, since it is larger than the sum of its proper divisors (29874543).

49031697 is a wasteful number, since it uses less digits than its factorization.

49031697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 49031697 is about 7002.2637054027. The cubic root of 49031697 is about 366.0094580852.

The spelling of 49031697 in words is "forty-nine million, thirty-one thousand, six hundred ninety-seven".