53005155403 has 2 divisors, whose sum is σ = 53005155404. Its totient is φ = 53005155402.

The previous prime is 53005155341. The next prime is 53005155421. The reversal of 53005155403 is 30455150035.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53005155403 is a prime.

It is not a weakly prime, because it can be changed into another prime (53005155493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26502577701 + 26502577702.

It is an arithmetic number, because the mean of its divisors is an integer number (26502577702).

Almost surely, 2^53005155403 is an apocalyptic number.

53005155403 is a deficient number, since it is larger than the sum of its proper divisors (1).

53005155403 is an equidigital number, since it uses as much as digits as its factorization.

53005155403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 53005155403 in words is "fifty-three billion, five million, one hundred fifty-five thousand, four hundred three".