45521053553 has 4 divisors (see below), whose sum is σ = 45793634880. Its totient is φ = 45248472228.

The previous prime is 45521053547. The next prime is 45521053577. The reversal of 45521053553 is 35535012554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35535012554 = 2 ⋅17767506277.

It is a cyclic number.

It is not a de Polignac number, because 45521053553 - 2⁶ = 45521053489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45521023553) 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, 136290413 + ... + 136290746.

It is an arithmetic number, because the mean of its divisors is an integer number (11448408720).

Almost surely, 2^45521053553 is an apocalyptic number.

It is an amenable number.

45521053553 is a deficient number, since it is larger than the sum of its proper divisors (272581327).

45521053553 is a wasteful number, since it uses less digits than its factorization.

45521053553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272581326.

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 45521053553 in words is "forty-five billion, five hundred twenty-one million, fifty-three thousand, five hundred fifty-three".