49146637 has 2 divisors, whose sum is σ = 49146638. Its totient is φ = 49146636.

The previous prime is 49146623. The next prime is 49146641. The reversal of 49146637 is 73664194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33512521 + 15634116 = 5789^2 + 3954^2 .

It is a cyclic number.

It is not a de Polignac number, because 49146637 - 2⁷ = 49146509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49146637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49146037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24573318 + 24573319.

It is an arithmetic number, because the mean of its divisors is an integer number (24573319).

Almost surely, 2^49146637 is an apocalyptic number.

It is an amenable number.

49146637 is a deficient number, since it is larger than the sum of its proper divisors (1).

49146637 is an equidigital number, since it uses as much as digits as its factorization.

49146637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 49146637 is about 7010.4662469767. The cubic root of 49146637 is about 366.2952344274.

The spelling of 49146637 in words is "forty-nine million, one hundred forty-six thousand, six hundred thirty-seven".