49880513 has 4 divisors (see below), whose sum is σ = 49942980. Its totient is φ = 49818048.

The previous prime is 49880507. The next prime is 49880543. The reversal of 49880513 is 31508894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35188624 + 14691889 = 5932^2 + 3833^2 .

It is a cyclic number.

It is not a de Polignac number, because 49880513 - 2⁶ = 49880449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49880503) 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, 30020 + ... + 31637.

It is an arithmetic number, because the mean of its divisors is an integer number (12485745).

Almost surely, 2^49880513 is an apocalyptic number.

It is an amenable number.

49880513 is a deficient number, since it is larger than the sum of its proper divisors (62467).

49880513 is an equidigital number, since it uses as much as digits as its factorization.

49880513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62466.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 49880513 is about 7062.6137512963. The cubic root of 49880513 is about 368.1094532056.

The spelling of 49880513 in words is "forty-nine million, eight hundred eighty thousand, five hundred thirteen".