538555794 has 32 divisors (see below), whose sum is σ = 1264258176. Its totient is φ = 149713920.

The previous prime is 538555793. The next prime is 538555799. The reversal of 538555794 is 497555835.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (538555793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171727 + ... + 174834.

It is an arithmetic number, because the mean of its divisors is an integer number (39508068).

Almost surely, 2^538555794 is an apocalyptic number.

538555794 is an abundant number, since it is smaller than the sum of its proper divisors (725702382).

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

538555794 is a wasteful number, since it uses less digits than its factorization.

538555794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346610.

The product of its digits is 3780000, while the sum is 51.

The square root of 538555794 is about 23206.8049071819. The cubic root of 538555794 is about 813.5986779061.

The spelling of 538555794 in words is "five hundred thirty-eight million, five hundred fifty-five thousand, seven hundred ninety-four".