49698997 has 2 divisors, whose sum is σ = 49698998. Its totient is φ = 49698996.

The previous prime is 49698991. The next prime is 49699009. The reversal of 49698997 is 79989694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49477156 + 221841 = 7034^2 + 471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49698997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49698991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24849498 + 24849499.

It is an arithmetic number, because the mean of its divisors is an integer number (24849499).

Almost surely, 2^49698997 is an apocalyptic number.

It is an amenable number.

49698997 is a deficient number, since it is larger than the sum of its proper divisors (1).

49698997 is an equidigital number, since it uses as much as digits as its factorization.

49698997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 61.

The square root of 49698997 is about 7049.7515559061. The cubic root of 49698997 is about 367.6623917111.

The spelling of 49698997 in words is "forty-nine million, six hundred ninety-eight thousand, nine hundred ninety-seven".