545515124 has 48 divisors (see below), whose sum is σ = 1222408320. Its totient is φ = 206789760.

The previous prime is 545515109. The next prime is 545515129. The reversal of 545515124 is 421515545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545515129) 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 15 ways as a sum of consecutive naturals, for example, 12539 + ... + 35330.

It is an arithmetic number, because the mean of its divisors is an integer number (25466840).

Almost surely, 2^545515124 is an apocalyptic number.

It is an amenable number.

545515124 is an abundant number, since it is smaller than the sum of its proper divisors (676893196).

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

545515124 is a wasteful number, since it uses less digits than its factorization.

545515124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47928 (or 47926 counting only the distinct ones).

The product of its digits is 20000, while the sum is 32.

The square root of 545515124 is about 23356.2651980149. The cubic root of 545515124 is about 817.0881871901.

The spelling of 545515124 in words is "five hundred forty-five million, five hundred fifteen thousand, one hundred twenty-four".