545522761 has 8 divisors (see below), whose sum is σ = 623706560. Its totient is φ = 467401968.

The previous prime is 545522743. The next prime is 545522767. The reversal of 545522761 is 167225545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545522761 - 2⁷ = 545522633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545522761.

It is not an unprimeable number, because it can be changed into a prime (545522767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4555 + ... + 33343.

It is an arithmetic number, because the mean of its divisors is an integer number (77963320).

Almost surely, 2^545522761 is an apocalyptic number.

It is an amenable number.

545522761 is a deficient number, since it is larger than the sum of its proper divisors (78183799).

545522761 is a wasteful number, since it uses less digits than its factorization.

545522761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31503.

The product of its digits is 84000, while the sum is 37.

The square root of 545522761 is about 23356.4286867663. The cubic root of 545522761 is about 817.0920001448.

The spelling of 545522761 in words is "five hundred forty-five million, five hundred twenty-two thousand, seven hundred sixty-one".