545651732 has 6 divisors (see below), whose sum is σ = 954890538. Its totient is φ = 272825864.

The previous prime is 545651731. The next prime is 545651741. The reversal of 545651732 is 237156545.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 545502736 + 148996 = 23356^2 + 386^2 .

It is a super-4 number, since 4×545651732⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545651731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68206463 + ... + 68206470.

It is an arithmetic number, because the mean of its divisors is an integer number (159148423).

Almost surely, 2^545651732 is an apocalyptic number.

It is an amenable number.

545651732 is a deficient number, since it is larger than the sum of its proper divisors (409238806).

545651732 is a wasteful number, since it uses less digits than its factorization.

545651732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136412937 (or 136412935 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 545651732 is about 23359.1894551159. The cubic root of 545651732 is about 817.1563866234.

The spelling of 545651732 in words is "five hundred forty-five million, six hundred fifty-one thousand, seven hundred thirty-two".