545011506 has 48 divisors (see below), whose sum is σ = 1274232960. Its totient is φ = 167361120.

The previous prime is 545011463. The next prime is 545011507. The reversal of 545011506 is 605110545.

It is a happy number.

545011506 is a `hidden beast` number, since 5 + 4 + 501 + 150 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 545011506.

It is not an unprimeable number, because it can be changed into a prime (545011507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131575 + ... + 135653.

It is an arithmetic number, because the mean of its divisors is an integer number (26546520).

Almost surely, 2^545011506 is an apocalyptic number.

545011506 is an abundant number, since it is smaller than the sum of its proper divisors (729221454).

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

545011506 is a wasteful number, since it uses less digits than its factorization.

545011506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 545011506 is about 23345.4814900014. The cubic root of 545011506 is about 816.8366652814.

The spelling of 545011506 in words is "five hundred forty-five million, eleven thousand, five hundred six".