545897377 has 4 divisors (see below), whose sum is σ = 545952960. Its totient is φ = 545841796.

The previous prime is 545897351. The next prime is 545897393. The reversal of 545897377 is 773798545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 545897377 - 2¹⁵ = 545864609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545897327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8677 + ... + 34162.

It is an arithmetic number, because the mean of its divisors is an integer number (136488240).

Almost surely, 2^545897377 is an apocalyptic number.

It is an amenable number.

545897377 is a deficient number, since it is larger than the sum of its proper divisors (55583).

545897377 is a wasteful number, since it uses less digits than its factorization.

545897377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55582.

The product of its digits is 7408800, while the sum is 55.

The square root of 545897377 is about 23364.4468584215. The cubic root of 545897377 is about 817.2789924629.

The spelling of 545897377 in words is "five hundred forty-five million, eight hundred ninety-seven thousand, three hundred seventy-seven".