5011553538 has 32 divisors (see below), whose sum is σ = 11216923200. Its totient is φ = 1658497248.

The previous prime is 5011553537. The next prime is 5011553579. The reversal of 5011553538 is 8353551105.

5011553538 is a `hidden beast` number, since 5 + 0 + 115 + 5 + 3 + 538 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5011553537) 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, 326331 + ... + 341342.

It is an arithmetic number, because the mean of its divisors is an integer number (350528850).

Almost surely, 2^5011553538 is an apocalyptic number.

5011553538 is an abundant number, since it is smaller than the sum of its proper divisors (6205369662).

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

5011553538 is a wasteful number, since it uses less digits than its factorization.

5011553538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667823 (or 667817 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5011553538 is about 70792.3268299609. The cubic root of 5011553538 is about 1711.2920183163.

The spelling of 5011553538 in words is "five billion, eleven million, five hundred fifty-three thousand, five hundred thirty-eight".