545574624 has 72 divisors (see below), whose sum is σ = 1665965448. Its totient is φ = 155877120.

The previous prime is 545574581. The next prime is 545574641. The reversal of 545574624 is 426475545.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53287 + ... + 62694.

It is an arithmetic number, because the mean of its divisors is an integer number (23138409).

Almost surely, 2^545574624 is an apocalyptic number.

It is an amenable number.

545574624 is an abundant number, since it is smaller than the sum of its proper divisors (1120390824).

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

545574624 is a wasteful number, since it uses less digits than its factorization.

545574624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116008 (or 115993 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

The square root of 545574624 is about 23357.5389114521. The cubic root of 545574624 is about 817.1178930452.

The spelling of 545574624 in words is "five hundred forty-five million, five hundred seventy-four thousand, six hundred twenty-four".