45404340053 has 4 divisors (see below), whose sum is σ = 46026317388. Its totient is φ = 44782362720.

The previous prime is 45404340041. The next prime is 45404340073. The reversal of 45404340053 is 35004340454.

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 39005460004 + 6398880049 = 197498^2 + 79993^2 .

It is a cyclic number.

It is not a de Polignac number, because 45404340053 - 2²⁰ = 45403291477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45404340073) 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, 310988558 + ... + 310988703.

It is an arithmetic number, because the mean of its divisors is an integer number (11506579347).

Almost surely, 2^45404340053 is an apocalyptic number.

It is an amenable number.

45404340053 is a deficient number, since it is larger than the sum of its proper divisors (621977335).

45404340053 is an equidigital number, since it uses as much as digits as its factorization.

45404340053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621977334.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 45404340053 in words is "forty-five billion, four hundred four million, three hundred forty thousand, fifty-three".