204054550 has 24 divisors (see below), whose sum is σ = 433762416. Its totient is φ = 69961440.

The previous prime is 204054541. The next prime is 204054559. The reversal of 204054550 is 55450402.

It is an interprime number because it is at equal distance from previous prime (204054541) and next prime (204054559).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204054559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291157 + ... + 291856.

It is an arithmetic number, because the mean of its divisors is an integer number (18073434).

Almost surely, 2^204054550 is an apocalyptic number.

204054550 is an abundant number, since it is smaller than the sum of its proper divisors (229707866).

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

204054550 is a wasteful number, since it uses less digits than its factorization.

204054550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583032 (or 583027 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 204054550 is about 14284.7663614075. The cubic root of 204054550 is about 588.7289980984.

The spelling of 204054550 in words is "two hundred four million, fifty-four thousand, five hundred fifty".