49320137 has 8 divisors (see below), whose sum is σ = 50018376. Its totient is φ = 48627072.

The previous prime is 49320133. The next prime is 49320169. The reversal of 49320137 is 73102394.

It can be written as a sum of positive squares in 4 ways, for example, as 2383936 + 46936201 = 1544^2 + 6851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49320137 - 2² = 49320133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49320133) 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 7 ways as a sum of consecutive naturals, for example, 20363 + ... + 22655.

It is an arithmetic number, because the mean of its divisors is an integer number (6252297).

Almost surely, 2^49320137 is an apocalyptic number.

It is an amenable number.

49320137 is a deficient number, since it is larger than the sum of its proper divisors (698239).

49320137 is a wasteful number, since it uses less digits than its factorization.

49320137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 49320137 is about 7022.8297003416. The cubic root of 49320137 is about 366.7257663232.

The spelling of 49320137 in words is "forty-nine million, three hundred twenty thousand, one hundred thirty-seven".