7455545653 has 4 divisors (see below), whose sum is σ = 7894107180. Its totient is φ = 7016984128.

The previous prime is 7455545623. The next prime is 7455545689. The reversal of 7455545653 is 3565455547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3565455547 = 29 ⋅122946743.

It can be written as a sum of positive squares in 2 ways, for example, as 6759799524 + 695746129 = 82218^2 + 26377^2 .

It is a cyclic number.

It is not a de Polignac number, because 7455545653 - 2¹³ = 7455537461 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7455545597 and 7455545606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7455545623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219280738 + ... + 219280771.

It is an arithmetic number, because the mean of its divisors is an integer number (1973526795).

Almost surely, 2^7455545653 is an apocalyptic number.

It is an amenable number.

7455545653 is a deficient number, since it is larger than the sum of its proper divisors (438561527).

7455545653 is a wasteful number, since it uses less digits than its factorization.

7455545653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438561526.

The product of its digits is 6300000, while the sum is 49.

The square root of 7455545653 is about 86345.5016373175. The cubic root of 7455545653 is about 1953.5587568826.

The spelling of 7455545653 in words is "seven billion, four hundred fifty-five million, five hundred forty-five thousand, six hundred fifty-three".