538557402 has 8 divisors (see below), whose sum is σ = 1077114816. Its totient is φ = 179519132.

The previous prime is 538557401. The next prime is 538557407. The reversal of 538557402 is 204755835.

538557402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

538557402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (538557401) 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, 44879778 + ... + 44879789.

It is an arithmetic number, because the mean of its divisors is an integer number (134639352).

Almost surely, 2^538557402 is an apocalyptic number.

538557402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

538557402 is a wasteful number, since it uses less digits than its factorization.

538557402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89759572.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 538557402 is about 23206.8395521665. The cubic root of 538557402 is about 813.5994876429.

The spelling of 538557402 in words is "five hundred thirty-eight million, five hundred fifty-seven thousand, four hundred two".