545755400 has 24 divisors (see below), whose sum is σ = 1268881770. Its totient is φ = 218302080.

The previous prime is 545755391. The next prime is 545755409. The reversal of 545755400 is 4557545.

It is an interprime number because it is at equal distance from previous prime (545755391) and next prime (545755409).

It can be written as a sum of positive squares in 3 ways, for example, as 212984836 + 332770564 = 14594^2 + 18242^2 .

It is not an unprimeable number, because it can be changed into a prime (545755409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1364189 + ... + 1364588.

Almost surely, 2^545755400 is an apocalyptic number.

545755400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545755400 is an abundant number, since it is smaller than the sum of its proper divisors (723126370).

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

545755400 is a wasteful number, since it uses less digits than its factorization.

545755400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2728793 (or 2728784 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 545755400 is about 23361.4083479571. The cubic root of 545755400 is about 817.2081336744.

The spelling of 545755400 in words is "five hundred forty-five million, seven hundred fifty-five thousand, four hundred".