545456731 has 8 divisors (see below), whose sum is σ = 574515200. Its totient is φ = 516433320.

The previous prime is 545456729. The next prime is 545456741. The reversal of 545456731 is 137654545.

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

It is a cyclic number.

It is not a de Polignac number, because 545456731 - 2¹ = 545456729 is a prime.

It is a super-2 number, since 2×545456731² = 595046090786412722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545456741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26950 + ... + 42628.

It is an arithmetic number, because the mean of its divisors is an integer number (71814400).

Almost surely, 2^545456731 is an apocalyptic number.

545456731 is a deficient number, since it is larger than the sum of its proper divisors (29058469).

545456731 is a wasteful number, since it uses less digits than its factorization.

545456731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17529.

The product of its digits is 252000, while the sum is 40.

The square root of 545456731 is about 23355.0151145316. The cubic root of 545456731 is about 817.0590319135.

The spelling of 545456731 in words is "five hundred forty-five million, four hundred fifty-six thousand, seven hundred thirty-one".