538550520 has 64 divisors (see below), whose sum is σ = 1685905920. Its totient is φ = 137368704.

The previous prime is 538550513. The next prime is 538550527. The reversal of 538550520 is 25055835.

It is an interprime number because it is at equal distance from previous prime (538550513) and next prime (538550527).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538550527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94804 + ... + 100323.

It is an arithmetic number, because the mean of its divisors is an integer number (26342280).

Almost surely, 2^538550520 is an apocalyptic number.

It is an amenable number.

538550520 is an abundant number, since it is smaller than the sum of its proper divisors (1147355400).

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

538550520 is a wasteful number, since it uses less digits than its factorization.

538550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195164 (or 195160 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 538550520 is about 23206.6912764401. The cubic root of 538550520 is about 813.5960220788.

The spelling of 538550520 in words is "five hundred thirty-eight million, five hundred fifty thousand, five hundred twenty".