545800490 has 8 divisors (see below), whose sum is σ = 982440900. Its totient is φ = 218320192.

The previous prime is 545800483. The next prime is 545800499. The reversal of 545800490 is 94008545.

It can be written as a sum of positive squares in 2 ways, for example, as 545642881 + 157609 = 23359^2 + 397^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545800490.

It is not an unprimeable number, because it can be changed into a prime (545800499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27290015 + ... + 27290034.

Almost surely, 2^545800490 is an apocalyptic number.

545800490 is a deficient number, since it is larger than the sum of its proper divisors (436640410).

545800490 is a wasteful number, since it uses less digits than its factorization.

545800490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54580056.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 545800490 is about 23362.3733811443. The cubic root of 545800490 is about 817.2306388113.

The spelling of 545800490 in words is "five hundred forty-five million, eight hundred thousand, four hundred ninety".