545487051 has 4 divisors (see below), whose sum is σ = 727316072. Its totient is φ = 363658032.

The previous prime is 545487049. The next prime is 545487097. The reversal of 545487051 is 150784545.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 545487051 - 2¹ = 545487049 is a prime.

It is a super-2 number, since 2×545487051² = 595112245617353202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545487451) 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, 90914506 + ... + 90914511.

It is an arithmetic number, because the mean of its divisors is an integer number (181829018).

Almost surely, 2^545487051 is an apocalyptic number.

545487051 is a deficient number, since it is larger than the sum of its proper divisors (181829021).

545487051 is a wasteful number, since it uses less digits than its factorization.

545487051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181829020.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 545487051 is about 23355.6642166306. The cubic root of 545487051 is about 817.0741707683.

The spelling of 545487051 in words is "five hundred forty-five million, four hundred eighty-seven thousand, fifty-one".