53507188553 has 16 divisors (see below), whose sum is σ = 65863486080. Its totient is φ = 42329903616.

The previous prime is 53507188513. The next prime is 53507188583. The reversal of 53507188553 is 35588170535.

It is not a de Polignac number, because 53507188553 - 2⁸ = 53507188297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53507188513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765401 + ... + 832377.

It is an arithmetic number, because the mean of its divisors is an integer number (4116467880).

Almost surely, 2^53507188553 is an apocalyptic number.

It is an amenable number.

53507188553 is a deficient number, since it is larger than the sum of its proper divisors (12356297527).

53507188553 is a wasteful number, since it uses less digits than its factorization.

53507188553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75776.

The product of its (nonzero) digits is 2520000, while the sum is 50.

The spelling of 53507188553 in words is "fifty-three billion, five hundred seven million, one hundred eighty-eight thousand, five hundred fifty-three".