49736497 has 4 divisors (see below), whose sum is σ = 49784436. Its totient is φ = 49688560.

The previous prime is 49736483. The next prime is 49736503. The reversal of 49736497 is 79463794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79463794 = 2 ⋅39731897.

It can be written as a sum of positive squares in 2 ways, for example, as 14107536 + 35628961 = 3756^2 + 5969^2 .

It is a cyclic number.

It is not a de Polignac number, because 49736497 - 2¹⁹ = 49212209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49736497.

It is not an unprimeable number, because it can be changed into a prime (49736417) 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, 22378 + ... + 24499.

It is an arithmetic number, because the mean of its divisors is an integer number (12446109).

Almost surely, 2^49736497 is an apocalyptic number.

It is an amenable number.

49736497 is a deficient number, since it is larger than the sum of its proper divisors (47939).

49736497 is a wasteful number, since it uses less digits than its factorization.

49736497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47938.

The product of its digits is 1143072, while the sum is 49.

The square root of 49736497 is about 7052.4107225827. The cubic root of 49736497 is about 367.7548407494.

The spelling of 49736497 in words is "forty-nine million, seven hundred thirty-six thousand, four hundred ninety-seven".