53602993 has 2 divisors, whose sum is σ = 53602994. Its totient is φ = 53602992.

The previous prime is 53602931. The next prime is 53603003. The reversal of 53602993 is 39920635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36397089 + 17205904 = 6033^2 + 4148^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53602993 is a prime.

It is not a weakly prime, because it can be changed into another prime (53602093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26801496 + 26801497.

It is an arithmetic number, because the mean of its divisors is an integer number (26801497).

Almost surely, 2^53602993 is an apocalyptic number.

It is an amenable number.

53602993 is a deficient number, since it is larger than the sum of its proper divisors (1).

53602993 is an equidigital number, since it uses as much as digits as its factorization.

53602993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 53602993 is about 7321.4064905590. The cubic root of 53602993 is about 377.0477440020.

The spelling of 53602993 in words is "fifty-three million, six hundred two thousand, nine hundred ninety-three".