49885517 has 6 divisors (see below), whose sum is σ = 54832974. Its totient is φ = 45350360.

The previous prime is 49885501. The next prime is 49885567. The reversal of 49885517 is 71558894.

It can be written as a sum of positive squares in only one way, i.e., 43705321 + 6180196 = 6611^2 + 2486^2 .

It is not a de Polignac number, because 49885517 - 2⁴ = 49885501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49885567) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 206018 + ... + 206259.

It is an arithmetic number, because the mean of its divisors is an integer number (9138829).

Almost surely, 2^49885517 is an apocalyptic number.

It is an amenable number.

49885517 is a deficient number, since it is larger than the sum of its proper divisors (4947457).

49885517 is a wasteful number, since it uses less digits than its factorization.

49885517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412299 (or 412288 counting only the distinct ones).

The product of its digits is 403200, while the sum is 47.

The square root of 49885517 is about 7062.9680021928. The cubic root of 49885517 is about 368.1217623420.

The spelling of 49885517 in words is "forty-nine million, eight hundred eighty-five thousand, five hundred seventeen".