50155493 has 2 divisors, whose sum is σ = 50155494. Its totient is φ = 50155492.

The previous prime is 50155477. The next prime is 50155513. The reversal of 50155493 is 39455105.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 128164 = 7073^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 50155493 - 2⁴ = 50155477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50155403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25077746 + 25077747.

It is an arithmetic number, because the mean of its divisors is an integer number (25077747).

Almost surely, 2^50155493 is an apocalyptic number.

It is an amenable number.

50155493 is a deficient number, since it is larger than the sum of its proper divisors (1).

50155493 is an equidigital number, since it uses as much as digits as its factorization.

50155493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 50155493 is about 7082.0542923646. The cubic root of 50155493 is about 368.7846487408.

The spelling of 50155493 in words is "fifty million, one hundred fifty-five thousand, four hundred ninety-three".