45451320555 has 32 divisors (see below), whose sum is σ = 74297563200. Its totient is φ = 23721172992.

The previous prime is 45451320529. The next prime is 45451320557. The reversal of 45451320555 is 55502315454.

45451320555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45451320555 - 2²¹ = 45449223403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45451320557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46000 + ... + 304989.

It is an arithmetic number, because the mean of its divisors is an integer number (2321798850).

Almost surely, 2^45451320555 is an apocalyptic number.

45451320555 is a deficient number, since it is larger than the sum of its proper divisors (28846242645).

45451320555 is a wasteful number, since it uses less digits than its factorization.

45451320555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351183.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 45451320555 in words is "forty-five billion, four hundred fifty-one million, three hundred twenty thousand, five hundred fifty-five".