50697541 has 2 divisors, whose sum is σ = 50697542. Its totient is φ = 50697540.

The previous prime is 50697533. The next prime is 50697593. The reversal of 50697541 is 14579605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47196900 + 3500641 = 6870^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 50697541 - 2³ = 50697533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50697541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50697641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25348770 + 25348771.

It is an arithmetic number, because the mean of its divisors is an integer number (25348771).

Almost surely, 2^50697541 is an apocalyptic number.

It is an amenable number.

50697541 is a deficient number, since it is larger than the sum of its proper divisors (1).

50697541 is an equidigital number, since it uses as much as digits as its factorization.

50697541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 50697541 is about 7120.2205724261. The cubic root of 50697541 is about 370.1084196515.

The spelling of 50697541 in words is "fifty million, six hundred ninety-seven thousand, five hundred forty-one".