545261025547 has 8 divisors (see below), whose sum is σ = 655953113600. Its totient is φ = 442768351464.

The previous prime is 545261025521. The next prime is 545261025559. The reversal of 545261025547 is 745520162545.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545261025547 is a prime.

It is a super-3 number, since 3×545261025547³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545261025497 and 545261025506.

It is not an unprimeable number, because it can be changed into a prime (545261025247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2049853347 + ... + 2049853612.

It is an arithmetic number, because the mean of its divisors is an integer number (81994139200).

Almost surely, 2^545261025547 is an apocalyptic number.

545261025547 is a deficient number, since it is larger than the sum of its proper divisors (110692088053).

545261025547 is a wasteful number, since it uses less digits than its factorization.

545261025547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099706985.

The product of its (nonzero) digits is 1680000, while the sum is 46.

The spelling of 545261025547 in words is "five hundred forty-five billion, two hundred sixty-one million, twenty-five thousand, five hundred forty-seven".