538555274 has 8 divisors (see below), whose sum is σ = 855352548. Its totient is φ = 253437760.

The previous prime is 538555273. The next prime is 538555307. The reversal of 538555274 is 472555835.

It can be written as a sum of positive squares in 2 ways, for example, as 428200249 + 110355025 = 20693^2 + 10505^2 .

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

It is not an unprimeable number, because it can be changed into a prime (538555271) 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, 7919897 + ... + 7919964.

Almost surely, 2^538555274 is an apocalyptic number.

538555274 is a deficient number, since it is larger than the sum of its proper divisors (316797274).

538555274 is a wasteful number, since it uses less digits than its factorization.

538555274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15839880.

The product of its digits is 840000, while the sum is 44.

The square root of 538555274 is about 23206.7937035688. The cubic root of 538555274 is about 813.5984160505.

The spelling of 538555274 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, two hundred seventy-four".