53554645153 has 4 divisors (see below), whose sum is σ = 53555175828. Its totient is φ = 53554114480.

The previous prime is 53554645121. The next prime is 53554645189. The reversal of 53554645153 is 35154645535.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36531441424 + 17023203729 = 191132^2 + 130473^2 .

It is a cyclic number.

It is not a de Polignac number, because 53554645153 - 2⁵ = 53554645121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53554645103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62038 + ... + 333103.

It is an arithmetic number, because the mean of its divisors is an integer number (13388793957).

Almost surely, 2^53554645153 is an apocalyptic number.

It is an amenable number.

53554645153 is a deficient number, since it is larger than the sum of its proper divisors (530675).

53554645153 is a wasteful number, since it uses less digits than its factorization.

53554645153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530674.

The product of its digits is 2700000, while the sum is 46.

The spelling of 53554645153 in words is "fifty-three billion, five hundred fifty-four million, six hundred forty-five thousand, one hundred fifty-three".