545450555131 has 16 divisors (see below), whose sum is σ = 550788694560. Its totient is φ = 540141880320.

The previous prime is 545450555129. The next prime is 545450555137. The reversal of 545450555131 is 131555054545.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 545450555131 - 2¹ = 545450555129 is a prime.

It is a super-2 number, since 2×545450555131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545450555137) 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, 86179575 + ... + 86185903.

It is an arithmetic number, because the mean of its divisors is an integer number (34424293410).

Almost surely, 2^545450555131 is an apocalyptic number.

545450555131 is a deficient number, since it is larger than the sum of its proper divisors (5338139429).

545450555131 is a wasteful number, since it uses less digits than its factorization.

545450555131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8526.

The product of its (nonzero) digits is 750000, while the sum is 43.

The spelling of 545450555131 in words is "five hundred forty-five billion, four hundred fifty million, five hundred fifty-five thousand, one hundred thirty-one".