54153720653 has 4 divisors (see below), whose sum is σ = 54160677468. Its totient is φ = 54146763840.

The previous prime is 54153720613. The next prime is 54153720667. The reversal of 54153720653 is 35602735145.

54153720653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26543578084 + 27610142569 = 162922^2 + 166163^2 .

It is a cyclic number.

It is not a de Polignac number, because 54153720653 - 2¹⁸ = 54153458509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54153720653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54153720613) 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, 3466718 + ... + 3482303.

It is an arithmetic number, because the mean of its divisors is an integer number (13540169367).

Almost surely, 2^54153720653 is an apocalyptic number.

It is an amenable number.

54153720653 is a deficient number, since it is larger than the sum of its proper divisors (6956815).

54153720653 is an equidigital number, since it uses as much as digits as its factorization.

54153720653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6956814.

The product of its (nonzero) digits is 378000, while the sum is 41.

The spelling of 54153720653 in words is "fifty-four billion, one hundred fifty-three million, seven hundred twenty thousand, six hundred fifty-three".