545431354650 has 144 divisors (see below), whose sum is σ = 1803559814784. Its totient is φ = 115080013440.

The previous prime is 545431354649. The next prime is 545431354651. The reversal of 545431354650 is 56453134545.

It is a happy number.

545431354650 is a `hidden beast` number, since 5 + 4 + 5 + 43 + 13 + 546 + 50 = 666.

It is an interprime number because it is at equal distance from previous prime (545431354649) and next prime (545431354651).

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

It is a junction number, because it is equal to n+sod(n) for n = 545431354596 and 545431354605.

It is not an unprimeable number, because it can be changed into a prime (545431354651) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6618774 + ... + 6700673.

It is an arithmetic number, because the mean of its divisors is an integer number (12524720936).

Almost surely, 2^545431354650 is an apocalyptic number.

545431354650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

545431354650 is an abundant number, since it is smaller than the sum of its proper divisors (1258128460134).

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

545431354650 is a wasteful number, since it uses less digits than its factorization.

545431354650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13319485 (or 13319477 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 45.

The spelling of 545431354650 in words is "five hundred forty-five billion, four hundred thirty-one million, three hundred fifty-four thousand, six hundred fifty".