49988537 has 2 divisors, whose sum is σ = 49988538. Its totient is φ = 49988536.

The previous prime is 49988531. The next prime is 49988557. The reversal of 49988537 is 73588994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42784681 + 7203856 = 6541^2 + 2684^2 .

It is a cyclic number.

It is not a de Polignac number, because 49988537 - 2²² = 45794233 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49988531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24994268 + 24994269.

It is an arithmetic number, because the mean of its divisors is an integer number (24994269).

Almost surely, 2^49988537 is an apocalyptic number.

It is an amenable number.

49988537 is a deficient number, since it is larger than the sum of its proper divisors (1).

49988537 is an equidigital number, since it uses as much as digits as its factorization.

49988537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 53.

The square root of 49988537 is about 7070.2572088998. The cubic root of 49988537 is about 368.3749943436.

The spelling of 49988537 in words is "forty-nine million, nine hundred eighty-eight thousand, five hundred thirty-seven".