545297949 has 24 divisors (see below), whose sum is σ = 906759360. Its totient is φ = 309319488.

The previous prime is 545297947. The next prime is 545297953. The reversal of 545297949 is 949792545.

545297949 = T₆₃₄₂ + T₆₃₄₃ + ... + T₆₃₆₈.

545297949 is a `hidden beast` number, since 5 + 4 + 529 + 79 + 49 = 666.

It is not a de Polignac number, because 545297949 - 2¹ = 545297947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545297895 and 545297904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545297947) 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, 22959 + ... + 40220.

It is an arithmetic number, because the mean of its divisors is an integer number (37781640).

Almost surely, 2^545297949 is an apocalyptic number.

It is an amenable number.

545297949 is a deficient number, since it is larger than the sum of its proper divisors (361461411).

545297949 is a wasteful number, since it uses less digits than its factorization.

545297949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63329 (or 63326 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 545297949 is about 23351.6155543894. The cubic root of 545297949 is about 816.9797424847.

The spelling of 545297949 in words is "five hundred forty-five million, two hundred ninety-seven thousand, nine hundred forty-nine".