50866993 has 2 divisors, whose sum is σ = 50866994. Its totient is φ = 50866992.

The previous prime is 50866943. The next prime is 50866999. The reversal of 50866993 is 39966805.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30724849 + 20142144 = 5543^2 + 4488^2 .

It is a cyclic number.

It is not a de Polignac number, because 50866993 - 2¹⁷ = 50735921 is a prime.

It is not a weakly prime, because it can be changed into another prime (50866999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25433496 + 25433497.

It is an arithmetic number, because the mean of its divisors is an integer number (25433497).

Almost surely, 2^50866993 is an apocalyptic number.

It is an amenable number.

50866993 is a deficient number, since it is larger than the sum of its proper divisors (1).

50866993 is an equidigital number, since it uses as much as digits as its factorization.

50866993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 50866993 is about 7132.1099963475. The cubic root of 50866993 is about 370.5203125256.

The spelling of 50866993 in words is "fifty million, eight hundred sixty-six thousand, nine hundred ninety-three".