53420113403 has 2 divisors, whose sum is σ = 53420113404. Its totient is φ = 53420113402.

The previous prime is 53420113367. The next prime is 53420113427. The reversal of 53420113403 is 30431102435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53420113403 - 2⁸ = 53420113147 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53420113303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26710056701 + 26710056702.

It is an arithmetic number, because the mean of its divisors is an integer number (26710056702).

Almost surely, 2^53420113403 is an apocalyptic number.

53420113403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53420113403 is an equidigital number, since it uses as much as digits as its factorization.

53420113403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 53420113403 its reverse (30431102435), we get a palindrome (83851215838).

The spelling of 53420113403 in words is "fifty-three billion, four hundred twenty million, one hundred thirteen thousand, four hundred three".