553220194 has 4 divisors (see below), whose sum is σ = 829830294. Its totient is φ = 276610096.

The previous prime is 553220183. The next prime is 553220243. The reversal of 553220194 is 491022355.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 413105625 + 140114569 = 20325^2 + 11837^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138305047 + ... + 138305050.

Almost surely, 2^553220194 is an apocalyptic number.

553220194 is a deficient number, since it is larger than the sum of its proper divisors (276610100).

553220194 is a wasteful number, since it uses less digits than its factorization.

553220194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276610099.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 553220194 is about 23520.6333673224. The cubic root of 553220194 is about 820.9171742293.

The spelling of 553220194 in words is "five hundred fifty-three million, two hundred twenty thousand, one hundred ninety-four".