538355900556 has 24 divisors (see below), whose sum is σ = 1395737520240. Its totient is φ = 179451966816.

The previous prime is 538355900449. The next prime is 538355900569. The reversal of 538355900556 is 655009553835.

538355900556 is a `hidden beast` number, since 5 + 3 + 8 + 35 + 59 + 0 + 0 + 556 = 666.

It is a super-2 number, since 2×538355900556² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2492388321 + ... + 2492388536.

It is an arithmetic number, because the mean of its divisors is an integer number (58155730010).

Almost surely, 2^538355900556 is an apocalyptic number.

It is an amenable number.

538355900556 is an abundant number, since it is smaller than the sum of its proper divisors (857381619684).

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

538355900556 is a wasteful number, since it uses less digits than its factorization.

538355900556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4984776870 (or 4984776862 counting only the distinct ones).

The product of its (nonzero) digits is 12150000, while the sum is 54.

The spelling of 538355900556 in words is "five hundred thirty-eight billion, three hundred fifty-five million, nine hundred thousand, five hundred fifty-six".