45522455551 has 16 divisors (see below), whose sum is σ = 49342154400. Its totient is φ = 41830483968.

The previous prime is 45522455549. The next prime is 45522455567. The reversal of 45522455551 is 15555422554.

It is not a de Polignac number, because 45522455551 - 2¹ = 45522455549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45522455498 and 45522455507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45522455521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1895245 + ... + 1919113.

It is an arithmetic number, because the mean of its divisors is an integer number (3083884650).

Almost surely, 2^45522455551 is an apocalyptic number.

45522455551 is a deficient number, since it is larger than the sum of its proper divisors (3819698849).

45522455551 is a wasteful number, since it uses less digits than its factorization.

45522455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26538.

The product of its digits is 1000000, while the sum is 43.

The spelling of 45522455551 in words is "forty-five billion, five hundred twenty-two million, four hundred fifty-five thousand, five hundred fifty-one".