49248637 has 4 divisors (see below), whose sum is σ = 49279356. Its totient is φ = 49217920.

The previous prime is 49248629. The next prime is 49248649. The reversal of 49248637 is 73684294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73684294 = 2 ⋅36842147.

It can be written as a sum of positive squares in 2 ways, for example, as 47969476 + 1279161 = 6926^2 + 1131^2 .

It is a cyclic number.

It is not a de Polignac number, because 49248637 - 2³ = 49248629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49248593 and 49248602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49248737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12814 + ... + 16207.

It is an arithmetic number, because the mean of its divisors is an integer number (12319839).

Almost surely, 2^49248637 is an apocalyptic number.

It is an amenable number.

49248637 is a deficient number, since it is larger than the sum of its proper divisors (30719).

49248637 is a wasteful number, since it uses less digits than its factorization.

49248637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30718.

The product of its digits is 290304, while the sum is 43.

The square root of 49248637 is about 7017.7373134081. The cubic root of 49248637 is about 366.5484650218.

The spelling of 49248637 in words is "forty-nine million, two hundred forty-eight thousand, six hundred thirty-seven".