45531535455 has 128 divisors (see below), whose sum is σ = 100340674560. Its totient is φ = 19111956480.

The previous prime is 45531535451. The next prime is 45531535493. The reversal of 45531535455 is 55453513554.

45531535455 is a `hidden beast` number, since 4 + 5 + 53 + 1 + 53 + 545 + 5 = 666.

45531535455 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 45531535455 - 2² = 45531535451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45531535455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45531535451) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 624102 + ... + 693228.

It is an arithmetic number, because the mean of its divisors is an integer number (783911520).

Almost surely, 2^45531535455 is an apocalyptic number.

45531535455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45531535455 is an abundant number, since it is smaller than the sum of its proper divisors (54809139105).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45531535455 is a wasteful number, since it uses less digits than its factorization.

45531535455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69206 (or 69200 counting only the distinct ones).

The product of its digits is 2250000, while the sum is 45.

The spelling of 45531535455 in words is "forty-five billion, five hundred thirty-one million, five hundred thirty-five thousand, four hundred fifty-five".