545312632 has 8 divisors (see below), whose sum is σ = 1022461200. Its totient is φ = 272656312.

The previous prime is 545312617. The next prime is 545312639. The reversal of 545312632 is 236213545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 545312594 and 545312603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545312639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34082032 + ... + 34082047.

It is an arithmetic number, because the mean of its divisors is an integer number (127807650).

Almost surely, 2^545312632 is an apocalyptic number.

It is an amenable number.

545312632 is a deficient number, since it is larger than the sum of its proper divisors (477148568).

545312632 is a wasteful number, since it uses less digits than its factorization.

545312632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68164085 (or 68164081 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 545312632 is about 23351.9299416558. The cubic root of 545312632 is about 816.9870752380.

The spelling of 545312632 in words is "five hundred forty-five million, three hundred twelve thousand, six hundred thirty-two".