53390177 has 2 divisors, whose sum is σ = 53390178. Its totient is φ = 53390176.

The previous prime is 53390147. The next prime is 53390231. The reversal of 53390177 is 77109335.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49688401 + 3701776 = 7049^2 + 1924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53390177 is a prime.

It is a super-2 number, since 2×53390177² = 5701022000182658, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53390137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26695088 + 26695089.

It is an arithmetic number, because the mean of its divisors is an integer number (26695089).

Almost surely, 2^53390177 is an apocalyptic number.

It is an amenable number.

53390177 is a deficient number, since it is larger than the sum of its proper divisors (1).

53390177 is an equidigital number, since it uses as much as digits as its factorization.

53390177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 53390177 is about 7306.8582167714. The cubic root of 53390177 is about 376.5480939158.

The spelling of 53390177 in words is "fifty-three million, three hundred ninety thousand, one hundred seventy-seven".