53554343933 has 2 divisors, whose sum is σ = 53554343934. Its totient is φ = 53554343932.

The previous prime is 53554343917. The next prime is 53554343957. The reversal of 53554343933 is 33934345535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53334207364 + 220136569 = 230942^2 + 14837^2 .

It is a cyclic number.

It is not a de Polignac number, because 53554343933 - 2⁴ = 53554343917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53554343903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777171966 + 26777171967.

It is an arithmetic number, because the mean of its divisors is an integer number (26777171967).

Almost surely, 2^53554343933 is an apocalyptic number.

It is an amenable number.

53554343933 is a deficient number, since it is larger than the sum of its proper divisors (1).

53554343933 is an equidigital number, since it uses as much as digits as its factorization.

53554343933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4374000, while the sum is 47.

The spelling of 53554343933 in words is "fifty-three billion, five hundred fifty-four million, three hundred forty-three thousand, nine hundred thirty-three".