7540165053 has 12 divisors (see below), whose sum is σ = 10960723228. Its totient is φ = 4994758080.

The previous prime is 7540165007. The next prime is 7540165069. The reversal of 7540165053 is 3505610457.

7540165053 is a `hidden beast` number, since 7 + 540 + 1 + 65 + 0 + 53 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3999677049 + 3540488004 = 63243^2 + 59502^2 .

It is not a de Polignac number, because 7540165053 - 2²⁰ = 7539116477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7540164999 and 7540165017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7540165093) 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 11 ways as a sum of consecutive naturals, for example, 2666728 + ... + 2669553.

Almost surely, 2^7540165053 is an apocalyptic number.

It is an amenable number.

7540165053 is a deficient number, since it is larger than the sum of its proper divisors (3420558175).

7540165053 is a wasteful number, since it uses less digits than its factorization.

7540165053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336444 (or 5336441 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 7540165053 is about 86834.1237820708. The cubic root of 7540165053 is about 1960.9218429323.

The spelling of 7540165053 in words is "seven billion, five hundred forty million, one hundred sixty-five thousand, fifty-three".