53420305555 has 32 divisors (see below), whose sum is σ = 68429188800. Its totient is φ = 39894638592.

The previous prime is 53420305501. The next prime is 53420305559. The reversal of 53420305555 is 55550302435.

It is a cyclic number.

It is not a de Polignac number, because 53420305555 - 2⁷ = 53420305427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53420305559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20474091 + ... + 20476699.

It is an arithmetic number, because the mean of its divisors is an integer number (2138412150).

Almost surely, 2^53420305555 is an apocalyptic number.

53420305555 is a deficient number, since it is larger than the sum of its proper divisors (15008883245).

53420305555 is a wasteful number, since it uses less digits than its factorization.

53420305555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 225000, while the sum is 37.

The spelling of 53420305555 in words is "fifty-three billion, four hundred twenty million, three hundred five thousand, five hundred fifty-five".