45520032551 has 4 divisors (see below), whose sum is σ = 52022894352. Its totient is φ = 39017170752.

The previous prime is 45520032533. The next prime is 45520032559. The reversal of 45520032551 is 15523002554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15523002554 = 2 ⋅7761501277.

It is not a de Polignac number, because 45520032551 - 2⁶ = 45520032487 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 (45520032559) 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, 3251430890 + ... + 3251430903.

It is an arithmetic number, because the mean of its divisors is an integer number (13005723588).

Almost surely, 2^45520032551 is an apocalyptic number.

45520032551 is a deficient number, since it is larger than the sum of its proper divisors (6502861801).

45520032551 is an equidigital number, since it uses as much as digits as its factorization.

45520032551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502861800.

The product of its (nonzero) digits is 30000, while the sum is 32.

It can be divided in two parts, 4552003 and 2551, that added together give a palindrome (4554554).

The spelling of 45520032551 in words is "forty-five billion, five hundred twenty million, thirty-two thousand, five hundred fifty-one".