53745455650253 has 4 divisors (see below), whose sum is σ = 53745488119740. Its totient is φ = 53745423180768.

The previous prime is 53745455650241. The next prime is 53745455650279. The reversal of 53745455650253 is 35205655454735.

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 34393216472329 + 19352239177924 = 5864573^2 + 4399118^2 .

It is a cyclic number.

It is not a de Polignac number, because 53745455650253 - 2⁸ = 53745455649997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53745455650192 and 53745455650201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53745455650753) 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, 13610450 + ... + 17109507.

It is an arithmetic number, because the mean of its divisors is an integer number (13436372029935).

Almost surely, 2^{53745455650253} is an apocalyptic number.

It is an amenable number.

53745455650253 is a deficient number, since it is larger than the sum of its proper divisors (32469487).

53745455650253 is a wasteful number, since it uses less digits than its factorization.

53745455650253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32469486.

The product of its (nonzero) digits is 189000000, while the sum is 59.

The spelling of 53745455650253 in words is "fifty-three trillion, seven hundred forty-five billion, four hundred fifty-five million, six hundred fifty thousand, two hundred fifty-three".