53893403 has 2 divisors, whose sum is σ = 53893404. Its totient is φ = 53893402.

The previous prime is 53893381. The next prime is 53893447. The reversal of 53893403 is 30439835.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53893403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53893453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26946701 + 26946702.

It is an arithmetic number, because the mean of its divisors is an integer number (26946702).

Almost surely, 2^53893403 is an apocalyptic number.

53893403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53893403 is an equidigital number, since it uses as much as digits as its factorization.

53893403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 53893403 is about 7341.2126382499. The cubic root of 53893403 is about 377.7274403871.

The spelling of 53893403 in words is "fifty-three million, eight hundred ninety-three thousand, four hundred three".